OWNER’S MANUAL
Read this manual carefully before operating this
outboard motor.
F200C
FL200C
F225B
FL225B
F225C
F250A
FL250A
6P2-28199-78-E0
Read this manual carefully before operating this outboard motor. Keep this
manual onboard in a waterproof bag when boating. This manual should stay
with the outboard motor if it is sold.
Important manual information
T
T
EMU25107
To the owner
Thank you for selecting a Yamaha outboard
motor. This Owner’s Manual contains information needed for proper operation, maintenance and care. A thorough understanding of
these simple instructions will help you obtain
maximum enjoyment from your new Yamaha.
If you have any question about the operation
or maintenance of your outboard motor,
please consult a Yamaha dealer.
In this Owner’s Manual particularly important
information is distinguished in the following
ways.
: This is the safety alert symbol. It is used
to alert you to potential personal injury hazards. Obey all safety messages that follow
this symbol to avoid possible injury or death.
EWM00781
WARNING
A WARNING indicates a hazardous situation which, if not avoided, could result in
death or serious injury.
ECM00701
NOTICE
A NOTICE indicates special precautions
that must be taken to avoid damage to the
outboard motor or other property.
IP:
A TIP provides key information to make procedures easier or clearer.
your machine and this manual. If there is any
question concerning this manual, please consult your Yamaha dealer.
To ensure long product life, Yamaha recommends that you use the product and perform
the specified periodic inspections and maintenance by correctly following the instructions in
the owner’s manual. Any damage resulting
from neglect of these instructions is not covered by warranty.
Some countries have laws or regulations restricting users from taking the product out of
the country where it was purchased, and it
may be impossible to register the product in
the destination country. Additionally, the warranty may not apply in certain regions. When
planning to take the product to another country, consult the dealer where the product was
purchased for further information.
If the product was purchased used, please
consult your closest dealer for customer reregistration, and to be eligible for the specified
services.
IP:
The F200CET, FL200CET, F225BET,
FL225BET, F225CET, F250AET, FL250AET
and the standard accessories are used as a
base for the explanations and illustrations in
this manual. Therefore some items may not
apply to every model.
Yamaha continually seeks advancements in
product design and quality. Therefore, while
this manual contains the most current product
information available at the time of printing,
there may be minor discrepancies between
Important manual information
EMU25121
F200C, FL200C, F225B, FL225B, F225C,
©2011 by Yamaha Motor Co., Ltd.
Any reprinting or unauthorized use
without the written permission of
F250A, FL250A
OWNER’S MANUAL
1st Edition, March 2011
All rights reserved.
Yamaha Motor Co., Ltd.
is expressly prohibited.
Printed in Japan
Table of contents
Safety information............................. 1
Outboard motor safety .................... 1
Propeller............................................. 1
Rotating parts..................................... 1
Hot parts............................................. 1
Electric shock ..................................... 1
Power trim and tilt............................... 1
Engine shut-off cord (lanyard)............ 1
Gasoline ............................................. 1
Gasoline exposure and spills ............. 1
Carbon monoxide............................... 2
Modifications ...................................... 2
Boating safety ................................. 2
Alcohol and drugs............................... 2
Personal flotation devices .................. 2
People in the water............................. 2
Passengers ........................................ 2
Overloading........................................ 2
Avoid collisions................................... 2
Weather.............................................. 3
Passenger training ............................. 3
Boating safety publications................. 3
Laws and regulations ......................... 3
General information ..........................4
Identification numbers record.......... 4
Outboard motor serial number ........... 4
Key number........................................ 4
EC Declaration of Conformity
(DoC)............................................ 4
CE Marking ..................................... 4
Read manuals and labels................ 6
Warning labels.................................... 6
Specifications and requirements..... 9
Specifications .................................. 9
Installation requirements ............... 11
Boat horsepower rating .................... 11
Mounting motor ................................ 11
Remote control requirements........ 11
Battery requirements ..................... 12
Battery specifications ....................... 12
Mounting battery............................... 12
Multiple batteries .............................. 12
Propeller selection ........................ 12
Counter rotation models................... 12
Start-in-gear protection ................. 13
Engine oil requirements ................ 13
Fuel requirements ......................... 13
Gasoline ........................................... 13
Muddy or acidic water ................... 14
Anti-fouling paint ........................... 14
Motor disposal requirements......... 14
Emergency equipment .................. 14
Components .................................... 16
Components diagram.................... 16
Remote control box .......................... 17
Remote control lever ........................ 18
Free accelerator ............................... 18
Throttle friction adjuster.................... 19
Engine shut-off cord (lanyard) and
clip................................................. 19
Main switch....................................... 20
Power trim and tilt switch on remote
control ........................................... 20
Power trim and tilt switch on bottom
cowling .......................................... 20
Power trim and tilt switches
(twin binnacle type)....................... 21
Trim tab with anode.......................... 21
Tilt support lever for power trim and
tilt model........................................ 22
Cowling lock lever (pull up type)....... 22
Flushing device ................................ 23
Fuel filter/Water separator................ 23
Instruments and indicators ............ 25
Digital tachometer ......................... 25
Tachometer ...................................... 25
Trim meter ........................................ 25
Hour meter ....................................... 25
Low oil pressure-alert indicator ........ 26
Overheat-alert indicator.................... 26
Digital speedometer ...................... 26
Speedometer.................................... 26
Fuel gauge ....................................... 27
Trip meter / Clock / Voltmeter........... 27
Fuel level-alert indicator ................... 28
Low battery voltage-alert indicator ... 28
Table of contents
Fuel management meter ............... 28
Fuel flow meter................................. 28
Fuel consumption meter /
Fuel economy meter / Twin
engine speed synchronizer........... 29
Water separator-alert indicator......... 31
6Y8 Multifunction meters............... 31
6Y8 Multifunction tachometers ...... 31
Start-up checks ................................ 32
Low oil pressure-alert....................... 32
Overheat alert................................... 33
Water separator alert........................ 33
Engine trouble alert .......................... 33
Low battery voltage-alert.................. 34
6Y8 Multifunction speed &
fuel meters ................................. 34
6Y8 Multifunction speedometers ... 35
6Y8 Multifunction fuel
management meters .................. 36
Engine control system.................... 37
Alert system .................................. 37
Overheat alert................................... 37
Low oil pressure alert....................... 37
Installation ....................................... 39
Installation ..................................... 39
Mounting the outboard motor ........... 39
Operation ......................................... 41
First-time operation ....................... 41
Fill engine oil .................................... 41
Breaking in engine............................ 41
Getting to know your boat ................ 41
Checks before starting engine ...... 41
Fuel level.......................................... 41
Remove cowling............................... 42
Fuel system...................................... 42
Controls............................................ 42
Engine shut-off cord (lanyard).......... 43
Engine oil.......................................... 43
Engine .............................................. 43
Flushing device ................................ 43
Install cowling................................... 44
Checking power trim and
tilt system...................................... 45
Battery .............................................. 46
Filling fuel...................................... 46
Operating engine .......................... 47
Sending fuel ..................................... 47
Starting engine ................................. 47
Checks after starting engine ......... 49
Cooling water ................................... 49
Warming up engine....................... 49
Electric start models......................... 49
Checks after engine warm up ....... 50
Shifting ............................................. 50
Stop switches ................................... 50
Shifting .......................................... 50
Stopping boat................................ 51
Stopping engine ............................ 51
Procedure......................................... 51
Trimming outboard motor.............. 51
Adjusting trim angle
(Power trim and tilt)....................... 52
Adjusting boat trim............................ 53
Tilting up and down....................... 53
Procedure for tilting up
(power trim and tilt models)........... 54
Procedure for tilting down
(power trim and tilt models)........... 55
Shallow water................................ 56
Power trim and tilt models................ 56
Cruising in other conditions........... 57
Maintenance .................................... 58
Transporting and storing outboard
motor.......................................... 58
Storing outboard motor..................... 58
Procedure......................................... 59
Lubrication........................................ 60
Flushing power unit .......................... 60
Cleaning the outboard motor............ 61
Checking painted surface of
outboard motor.............................. 62
Periodic maintenance ................... 62
Replacement parts ........................... 62
Severe operating conditions............. 62
Maintenance chart 1......................... 63
Maintenance chart 2......................... 65
Greasing........................................... 66
Cleaning and adjusting spark plug... 68
Inspecting idle speed........................ 69
Changing engine oil.......................... 69
Inspecting wiring and connectors..... 71
Checking propeller ........................... 71
Removing propeller.......................... 72
Installing propeller............................ 73
Changing gear oil ............................. 74
Inspecting and replacing anode(s) ... 77
Checking battery
(for electric start models) .............. 77
Connecting the battery..................... 78
Disconnecting the battery................. 79
Trouble Recovery ............................ 81
Troubleshooting ............................ 81
Temporary action in emergency.... 84
Impact damage................................. 84
Running single engine
(twin engines)................................ 84
Replacing fuse.................................. 85
Power trim and tilt will not operate ... 86
Water separator-alert indicator
blinks while cruising...................... 86
Treatment of submerged motor..... 88
Table of contents
Safety information
EMU33622
Outboard motor safety
Observe these precautions at all times.
EMU36501
Propeller
People can be injured or killed if they come in
contact with the propeller. The propeller can
keep moving even when the motor is in neutral, and sharp edges of the propeller can cut
even when stationary.
● Stop the engine when a person is in the wa-
ter near you.
● Keep people out of reach of the propeller,
even when the engine is off.
EMU33630
Rotating parts
Hands, feet, hair, jewelry, clothing, PFD
straps, etc. can become entangled with internal rotating parts of the engine, resulting in serious injury or death.
Keep the top cowling in place whenever possible. Do not remove or replace the cowling
with the engine running.
Only operate the engine with the cowling removed according to the specific instructions in
the manual. Keep hands, feet, hair, jewelry,
clothing, PFD straps, etc. away from any exposed moving parts.
EMU33640
Hot parts
During and after operation, engine parts are
hot enough to cause burns. Avoid touching
any parts under the top cowling until the engine has cooled.
EMU33650
Electric shock
Do not touch any electrical parts while starting
or operating the engine. They can cause
shock or electrocution.
EMU33660
Power trim and tilt
Body parts can be crushed between the motor and the clamp bracket when the motor is
trimmed or tilted. Keep body parts out of this
area at all times. Be sure no one is in this area
before operating the power trim and tilt mechanism.
The power trim and tilt switches operate even
when the main switch is off. Keep people be
away from the switches whenever working
around the motor.
Never get under the lower unit while it is tilted,
even when the tilt support lever is locked. Severe injury could occur if the outboard motor
accidentally falls.
EMU33671
Engine shut-off cord (lanyard)
Attach the engine shut-off cord so that the engine stops if the operator falls overboard or
leaves the helm. This prevents the boat from
running away under power and leaving people stranded, or running over people or objects.
Always attach the engine shut-off cord to a
secure place on your clothing or your arm or
leg while operating. Do not remove it to leave
the helm while the boat is moving. Do not attach the cord to clothing that could tear loose,
or route the cord where it could become entangled, preventing it from functioning.
Do not route the cord where it is likely to be
accidentally pulled out. If the cord is pulled
during operation, the engine will shut off and
you will lose most steering control. The boat
could slow rapidly, throwing people and objects forward.
EMU33810
Gasoline
Gasoline and its vapors are highly flammable and explosive. Always, refuel accord-
ing to the procedure on page 47 to reduce the
risk of fire and explosion.
EMU33820
Gasoline exposure and spills
Take care not to spill gasoline. If gasoline
spills, wipe it up immediately with dry rags.
Dispose of rags properly.
1
Safety information
If any gasoline spills onto your skin, immediately wash with soap and water. Change
clothing if gasoline spills on it.
If you swallow gasoline, inhale a lot of gasoline vapor, or get gasoline in your eyes, get
immediate medical attention. Never siphon
fuel by mouth.
EMU33900
Carbon monoxide
This product emits exhaust gases which contain carbon monoxide, a colorless, odorless
gas which may cause brain damage or death
when inhaled. Symptoms include nausea,
dizziness, and drowsiness. Keep cockpit and
cabin areas well ventilated. Avoid blocking exhaust outlets.
EMU33780
Modifications
Do not attempt to modify this outboard motor.
Modifications to your outboard motor may reduce safety and reliability, and render the outboard unsafe or illegal to use.
EMU33740
Boating safety
This section includes a few of the many important safety precautions that you should follow when boating.
EMU33710
Alcohol and drugs
Never operate after drinking alcohol or taking
drugs. Intoxication is one of the most common
factors contributing to boating fatalities.
EMU33720
Personal flotation devices
Have an approved personal flotation device
(PFD) on board for every occupant. Yamaha
recommends that you must wear a PFD
whenever boating. At a minimum, children
and non-swimmers should always wear
PFDs, and everyone should wear PFDs when
there are potentially hazardous boating conditions.
EMU33731
People in the water
Always watch carefully for people in the water, such as swimmers, skiers, or divers,
whenever the engine is running. When someone is in the water near the boat, shift into
neutral and stop the engine.
Stay away from swimming areas. Swimmers
can be hard to see.
The propeller can keep moving even when
the motor is in neutral. Stop the engine when
a person is in the water near you.
EMU33751
Passengers
Consult your boat manufacturer’s instructions
for details about appropriate passenger locations in your boat and be sure all passengers
are positioned properly before accelerating
and when operating above an idle speed.
Standing or sitting in non-designated locations may result in being thrown either overboard or within the boat due to waves, wakes,
or sudden changes in speed or direction.
Even when people are positioned properly,
alert your passengers if you must make any
unusual maneuver. Always avoid jumping
waves or wakes.
EMU33760
Overloading
Do not overload the boat. Consult the boat capacity plate or boat manufacturer for maximum weight and number of passengers. Be
sure that weight is properly distributed according to the boat manufacturers instructions. Overloading or incorrect weight
distribution can compromise the boats handling and lead to an accident, capsizing or
swamping.
EMU33772
Avoid collisions
Scan constantly for people, objects, and other
boats. Be alert for conditions that limit your
visibility or block your vision of others.
2
Safety information
ZMU06025
Operate defensively at safe speeds and keep
a safe distance away from people, objects,
and other boats.
● Do not follow directly behind other boats or
waterskiers.
● Avoid sharp turns or other maneuvers that
make it hard for others to avoid you or understand where you are going.
● Avoid areas with submerged objects or
shallow water.
● Ride within your limits and avoid aggressive
maneuvers to reduce the risk of loss of control, ejection, and collision.
● Take early action to avoid collisions. Re-
member, boats do not have brakes, and
stopping the engine or reducing throttle can
reduce the ability to steer. If you are not
sure that you can stop in time before hitting
an obstacle, apply throttle and turn in another direction.
EMU33790
Weather
Stay informed about the weather. Check
weather forecasts before boating. Avoid boating in hazardous weather.
EMU33880
Passenger training
Make sure at least one other passenger is
trained to operate the boat in the event of an
emergency.
EMU33890
Boating safety publications
Be informed about boating safety. Additional
publications and information can be obtained
from many boating organizations.
EMU33600
Laws and regulations
Know the marine laws and regulations where
you will be boating- and obey them. Several
sets of rules prevail according to geographic
location, but all are basically the same as the
International Rules of the Road.
3
EMU25171
Identification numbers record
EMU25184
Outboard motor serial number
The outboard motor serial number is stamped
on the label attached to the port side of the
clamp bracket.
Record your outboard motor serial number in
the spaces provided to assist you in ordering
spare parts from your Yamaha dealer or for
reference in case your outboard motor is stolen.
1. Outboard motor serial number location
General information
1. Key number
EMU37291
EC Declaration of Conformity
(DoC)
This outboard motor conforms to certain portions of the European Parliament directive relating to machinery.
Each conformed outboard motor accompanied with EC DoC.EC DoC contains the following information;
● Name of Engine Manufacture
● Model name
● Product code of model (Approved model
code)
● Code of conformed directives
EMU25205
CE Marking
Outboard motors affixed with this “CE”mark-
ing conform with the directives of; 98/37/EC,
94/25/EC - 2003/44/EC and 2004/108/EC.
EMU25191
Key number
If a main key switch is equipped with the motor, the key identification number is stamped
on your key as shown in the illustration.
Record this number in the space provided for
reference in case you need a new key.
4
General information
1. CE marking location
ZMU06040
5
General information
EMU33523
Read manuals and labels
Before operating or working on this outboard motor:
● Read this manual.
● Read any manuals supplied with the boat.
● Read all labels on the outboard motor and the boat.
If you need any additional information, contact your Yamaha dealer.
EMU33832
Warning labels
If these labels are damaged or missing, contact your Yamaha dealer for replacements.
F200C, FL200C, F225B, FL225B, F225C, F250A, FL250A
6
General information
1
EMU34651
Contents of labels
The above warning labels mean as follows.
1
EWM01681
WARNING
● Keep hands, hair, and clothing away
from rotating parts while the engine is
running.
● Do not touch or remove electrical parts
when starting or during operation.
2
ZMU06191
● Attach engine shut-off cord (lanyard) to
your PFD, arm, or leg so the engine
stops if you accidentally leave the helm,
which could prevent a runaway boat.
EMU33850
Other labels
3
2
EWM01671
WARNING
● Read Owner’s Manuals and labels.
● Wear an approved personal flotation de-
vice (PFD).
7
ZMU05710
General information
EMU33843
Symbols
The following symbols mean as follows.
Notice/Warning
ZMU05696
Read Owner’s Manual
ZMU05664
Electrical hazard
ZMU05666
Remote control lever/gear shift lever operating direction, dual direction
ZMU05667
Engine start/ Engine cranking
Hazard caused by continuous rotation
ZMU05665
ZMU05668
8
Specifications and requirements
T
EMU34521
Specifications
IP:
“(AL)” stated in the specification data below
represents the numerical value for the aluminum propeller installed.
Likewise, “(SUS)” represents the value for
stainless steel propeller installed and “(PL)”
for plastic propeller installed.
EMU2821K
Dimension:
Overall length:
F200CET 868 mm (34.2 in)
F225BET 868 mm (34.2 in)
F225CET 892 mm (35.1 in)
F250AET 868 mm (34.2 in)
FL200CET 868 mm (34.2 in)
FL225BET 868 mm (34.2 in)
FL250AET 868 mm (34.2 in)
Overall width:
634 mm (25.0 in)
Overall height L:
F225CET 1705 mm (67.1 in)
Overall height X:
F200CET 1829 mm (72.0 in)
F225BET 1829 mm (72.0 in)
F250AET 1829 mm (72.0 in)
FL200CET 1829 mm (72.0 in)
FL225BET 1829 mm (72.0 in)
FL250AET 1829 mm (72.0 in)
Overall height U:
F225BET 1956 mm (77.0 in)
F250AET 1956 mm (77.0 in)
FL250AET 1956 mm (77.0 in)
Transom height L:
F225CET 516 mm (20.3 in)
Transom height X:
F200CET 643 mm (25.3 in)
F225BET 643 mm (25.3 in)
F250AET 643 mm (25.3 in)
FL200CET 643 mm (25.3 in)
FL225BET 643 mm (25.3 in)
FL250AET 643 mm (25.3 in)
Transom height U:
F225BET 770 mm (30.3 in)
F250AET 770 mm (30.3 in)
FL250AET 770 mm (30.3 in)
Weight (SUS) L:
F225CET 273.0 kg (602 lb)
Weight (SUS) X:
F200CET 283.0 kg (624 lb)
F225BET 278.0 kg (613 lb)
F250AET 278.0 kg (613 lb)
FL200CET 283.0 kg (624 lb)
FL225BET 278.0 kg (613 lb)
FL250AET 278.0 kg (613 lb)
Weight (SUS) U:
F225BET 284.0 kg (626 lb)
F250AET 284.0 kg (626 lb)
FL250AET 284.0 kg (626 lb)
Performance:
Full throttle operating range:
5000–6000 r/min
9
Specifications and requirements
Maximum output:
F200CET 147.1 kW@5500 r/min (200
HP@5500 r/min)
F225BET 165.5 kW@5500 r/min (225
HP@5500 r/min)
F225CET 165.5 kW@5500 r/min (225
HP@5500 r/min)
F250AET 183.9 kW@5500 r/min (250
HP@5500 r/min)
FL200CET 147.1 kW@5500 r/min (200
HP@5500 r/min)
FL225BET 165.5 kW@5500 r/min (225
HP@5500 r/min)
FL250AET 183.9 kW@5500 r/min (250
HP@5500 r/min)
Idle speed (in neutral):
650 ±50 r/min
Engine:
Type:
4-stroke V
Displacement:
3352.0 cm³
Bore × stroke:
94.0 × 80.5 mm (3.70 × 3.17 in)
Ignition system:
TCI
Spark plug (NGK):
LFR6A-11
Spark plug gap:
1.0–1.1 mm (0.039–0.043 in)
Control system:
Remote control
Starting system:
Electric starter
Starting carburetion system:
Electronic fuel injection
Valve clearance (cold engine) IN:
0.17–0.24 mm (0.0067–0.0094 in)
Valve clearance (cold engine) EX:
0.31–0.38 mm (0.0122–0.0150 in)
Min. cold cranking amps (CCA/EN):
711.0 A
Min. rated capacity (20HR/IEC):
100 Ah
Maximum generator output:
44 A
Drive unit:
Gear positions:
Forward-neutral-reverse
Gear ratio:
2.00(30/15)
Trim and tilt system:
Power trim and tilt
Propeller mark:
F200CET T / M
F225BET T / M
F225CET T / M
F250AET T / M
FL200CET TL / ML
FL225BET TL / ML
FL250AET TL / ML
Fuel and oil:
Recommended fuel:
F200CET Regular unleaded gasoline
F225BET Regular unleaded gasoline
F225CET Premium unleaded gasoline
F250AET Premium unleaded gasoline
FL200CET Regular unleaded gasoline
FL225BET Regular unleaded gasoline
FL250AET Premium unleaded gasoline
Min. research octane:
F200CET 90
F225BET 90
F225CET 94
F250AET 94
FL200CET 90
FL225BET 90
FL250AET 94
Recommended engine oil:
4-stroke outboard motor oil
10
Specifications and requirements
WARNING
WARNING
WARNING
Recommended engine oil grade 1:
SAE 10W-30/10W-40/5W-30
API SE/SF/SG/SH/SJ/SL
Total engine oil quantity (oil pan capacity):
5.6 L (5.92 US qt, 4.93 Imp.qt)
Lubrication:
Wet sump
Recommended gear oil:
Hypoid gear oil SAE#90
Gear oil quantity:
F200CET 1.150 L (1.216 US qt,
1.012 Imp.qt)
F225BET 1.150 L (1.216 US qt,
1.012 Imp.qt)
F225CET 0.920 L (0.972 US qt,
0.810 Imp.qt)
F250AET 0.920 L (0.972 US qt,
0.810 Imp.qt)
FL200CET 1.000 L (1.057 US qt,
0.880 Imp.qt)
FL225BET 1.000 L (1.057 US qt,
0.880 Imp.qt)
FL250AET 0.800 L (0.846 US qt,
0.704 Imp.qt)
Tightening torque for engine:
Spark plug:
25.0 Nm (2.55 kgf-m, 18.4 ft-lb)
Propeller nut:
55.0 Nm (5.61 kgf-m, 40.6 ft-lb)
Engine oil drain bolt:
28.0 Nm (2.86 kgf-m, 20.7 ft-lb)
Engine oil filter:
18.0 Nm (1.84 kgf-m, 13.3 ft-lb)
Noise and vibration level:
Operator sound pressure level (ICOMIA
39/94 and 40/94):
79.7 dB(A)
EMU33554
Installation requirements
EMU33564
Boat horsepower rating
EWM01560
Overpowering a boat can cause severe instability.
Before installing the outboard motor(s), confirm that the total horsepower of your outboard motor(s) does not exceed the boats
maximum horsepower rating. See the boat’s
capacity plate or contact the manufacturer.
EMU33571
Mounting motor
EWM01570
● Improper mounting of the outboard mo-
tor could result in hazardous conditions
such as poor handling, loss of control,
or fire hazards.
● Because the motor is very heavy, spe-
cial equipment and training is required
to mount it safely.
Your dealer or other person experienced in
proper rigging should mount the motor using
correct equipment and complete rigging instructions. For further information, see page
39.
EMU33581
Remote control requirements
EWM01580
● If the engine starts in gear, the boat can
move suddenly and unexpectedly, possibly causing a collision or throwing
passengers overboard.
● If the engine ever starts in gear, the
start-in-gear protection device is not
working correctly and you should discontinue using the outboard. Contact
your Yamaha dealer.
11
Specifications and requirements
The remote control unit must be equipped
with a start-in-gear protection device(s). This
device prevents the engine from starting unless it is in neutral.
EMU25694
Battery requirements
EMU25721
Battery specifications
Minimum cold cranking amps (CCA/EN):
711.0 A
Minimum rated capacity (20HR/IEC):
100 Ah
The engine cannot be started if battery voltage is too low.
EMU36290
Mounting battery
Mount the battery holder securely in a dry,
well-ventilated, vibration-free location in the
boat. WARNING! Do not put flammable
items, or loose heavy or metal objects in
the same compartment as the battery.
Fire, explosion or sparks could result.
[EWM01820]
EMU36300
Multiple batteries
To connect multiple batteries, such as for multiple engine configurations or for an accessory
battery, consult your Yamaha dealer about
battery selection and correct wiring.
EMU41600
Propeller selection
Next to selecting an outboard motor, selecting
the right propeller is one of the most important
purchasing decisions a boater can make. The
type, size, and design of your propeller have
a direct impact on acceleration, top speed,
fuel economy, and even engine life. Yamaha
designs and manufactures propellers for every Yamaha outboard motor and every application.
Your Yamaha dealer can help you select the
right propeller for your boating needs. Select
a propeller that will allow the engine to reach
the middle or upper half of the operating
range at full throttle with the maximum boatload. Generally, select a larger pitch propeller
for a smaller operating load and a smaller
pitch propeller for a heavier load. If you carry
loads that vary widely, select the propeller that
lets the engine run in the proper range for your
maximum load but remember that you may
need to reduce your throttle setting to stay
within the recommended engine speed range
when carrying lighter loads.
Yamaha recommends to use a propeller suitable for the “Shift Dampener System (SDS)”.
For further information, consult your Yamaha
dealer.
To check the propeller, see page 71.
3
1
2
ZMU07044
1. Propeller diameter in inches
2. Propeller pitch in inches
3. Type of propeller (propeller mark)
EMU36310
Counter rotation models
Standard outboard motors rotate clockwise.
Counter rotation models rotate counterclockwise. Counter rotation models are typically
used in multiple motor setups and are marked
with an “L” on the gear case above the antiventilation plate.
On counter rotation models, be sure to use a
propeller intended for counterclockwise rotation. These propellers are identified with the
letter “L” after the size indication on the propeller. WARNING! Never use a standard
12
Specifications and requirements
propeller with a counter rotation motor, or
a counter rotation propeller with a standard motor. Otherwise the boat could go
in the direction opposite of that expected
(for example, reverse instead of forward),
which could lead to an accident.
[EWM01810]
For instructions on propeller removal and installation, see page 72 and 73.
EMU25770
Start-in-gear protection
Yamaha outboard motors or Yamaha-approved remote control units are equipped with
start-in-gear protection device(s). This feature
permits the engine to be started only when it
is in neutral. Always select neutral before
starting the engine.
EMU41951
Engine oil requirements
Select an oil grade according to the average
temperatures in the area where the outboard
motor will be used.
Recommended engine oil:
4-stroke outboard motor oil
Recommended engine oil grade 1:
SAE 10W-30/10W-40/5W-30
API SE/SF/SG/SH/SJ/SL
Recommended engine oil grade 2:
SAE 15W-40/20W-40/20W-50
API SH/SJ/SL
Total engine oil quantity (oil pan capacity):
5.6 L (5.92 US qt, 4.93 Imp.qt)
Replacement engine oil quantity (at periodic maintenance):
Without oil filter replacement:
4.5 L (4.76 US qt, 3.96 Imp.qt)
With oil filter replacement:
4.7 L (4.97 US qt, 4.14 Imp.qt)
If oil grades listed under Recommended engine oil grade 1 are not available, select an alternative oil grade listed under
Recommended engine oil grade 2.
Recommended engine oil grade 1
SAE API
122˚F
104
86
68
50
32
14
-4
50˚C
40
30
20
10
0
-10
-20
10W–30
10W–40
SE
SF
SG
SH
SJ
5W–30
SL
ZMU06854
Recommended engine oil grade 2
SAE API
122˚F
104
86
68
50
32
14
-4
50˚C
40
30
20
10
0
-10
-20
15W–40
SH
20W–40
SJ
SL
20W–50
ZMU06855
EMU36360
Fuel requirements
EMU43920
Gasoline
F200C, FL200C, F225B, FL225B
Use a good quality gasoline that meets the
minimum octane rating. If knocking or pinging
occurs, use a different brand of gasoline or
premium unleaded fuel.
Recommended gasoline:
Regular unleaded gasoline with a
minimum octane rating of 90 (Research Octane Number).
F225C, F250A, FL250A
Use a good quality gasoline that meets the
minimum octane rating.
13
Specifications and requirements
Recommended gasoline:
Premium unleaded gasoline with a
minimum octane rating of 94 (Research Octane Number).
ECM01981
NOTICE
● Do not use leaded gasoline. Leaded gas-
oline can seriously damage the engine.
● Avoid getting water and contaminants in
the fuel tank. Contaminated fuel can
cause poor performance or engine damage. Use only fresh gasoline that has
been stored in clean containers.
Gasohol
There are two types of gasohol: gasohol containing ethanol (E10) and that containing
methanol. Ethanol can be used if the ethanol
content does not exceed 10% and the fuel
meets the minimum octane ratings. E85 is a
fuel containing 85% ethanol and must not be
used in your outboard motor. All ethanol
blends containing more than 10% ethanol can
cause fuel system damage or cause engine
starting and running problems. Yamaha does
not recommend gasohol containing methanol
because it can cause fuel system damage or
engine performance problems.
It is recommended that you install a waterseparating marine fuel filter assembly (10 micron minimum) between your boat’s fuel tank
and outboard motor when using ethanol. Ethanol is known to allow moisture to be absorbed into boat fuel tanks and systems.
Moisture in the fuel can cause corrosion of
metallic fuel system components, starting and
running complaints and require additional fuel
system maintenance.
EMU36880
Muddy or acidic water
Yamaha strongly recommends that you have
your dealer install the optional chromium-plated water pump kit if you use the outboard motor in muddy or acidic water conditions.
However, depending on the model it might not
be required.
EMU36330
Anti-fouling paint
A clean hull improves boat performance. The
boat bottom should be kept as clean of marine
growth as possible. If necessary, the boat bottom can be coated with an anti-fouling paint
approved for your area to inhibit marine
growth.
Do not use anti-fouling paint which includes
copper or graphite. These paints can cause
more rapid engine corrosion.
EMU36341
Motor disposal requirements
Never illegally discard (dump) the motor.
Yamaha recommends consulting the dealer
about discarding the motor.
EMU36352
Emergency equipment
Keep the following items onboard in case
there is trouble with the outboard motor.
● A tool kit with assorted screwdrivers, pliers,
wrenches (including metric sizes), and
electrical tape.
● Waterproof flashlight with extra batteries.
14
Specifications and requirements
● An extra engine shut-off cord (lanyard) with
clip.
● Spare parts, such as an extra set of spark
plugs.
Consult your Yamaha dealer for details.
15
Components
T
EMU2579Y
Components diagram
IP:
* May not be exactly as shown; also may not be included as standard equipment on all models
(order from dealer).
F200C, FL200C, F225B, FL225B, F225C, F250A, FL250A
12 13 14 15
16 17 18
ZMU05148
1. Top cowling
2. Anti-cavitation plate
3. Trim tab (anode)
4. Propeller*
5. Cooling water inlet*
6. Clamp bracket
7. Cowling lock lever(s)
8. Water separator
9. Power trim and tilt switch
10.Flushing device
11.Tilt support lever
12.Remote control box (binnacle mount type)*
13.Switch panel (for use with binnacle type)*
14.Remote control box (binnacle mount type)*
15.Switch panel (for use with binnacle type)*
16.Digital speedometer*
17.Digital tachometer*
18.Fuel management meter*
16
Components
1
4
1. Tachometer unit (Square type)*
2. Tachometer unit (Round type)*
3. Speedometer unit (Square type)*
4. Speed & fuel meter unit (Square type)*
5. Speed & fuel meter unit (Round type)*
6. Fuel management meter (Square type)*
EMU26181
2
5
Remote control box
The remote control lever actuates both the
shifter and the throttle. The electrical switches
are mounted on the remote control box.
3
6
1
2
3
1. Power trim and tilt switch
2. Remote control lever
3. Free accelerator
4. Throttle friction adjuster
ZMU05429
4
ZMU04572
17
T
1
2
4
2
3
ZMU04569
1. Remote control lever
2. Power trim and tilt switch
3. Free accelerator
4. Throttle friction adjuster
EMU26190
Remote control lever
Moving the lever forward from the neutral position engages forward gear. Pulling the lever
back from neutral engages reverse. The engine will continue to run at idle until the lever
is moved about 35° (a detent can be felt).
Moving the lever farther opens the throttle,
and the engine will begin to accelerate.
N
F
2
6
1
4
R
4
3
6
5
5
7
7
ZMU04573
1. Neutral “”
2. Forward “”
3. Reverse “”
4. Shift
5. Fully closed
6. Throttle
7. Fully open
Components
EMU26233
Free accelerator
To open the throttle without shifting into either
forward or reverse, push the free accelerator
button and move the remote control lever.
N
2
3
1
ZMU04576
1. Fully open
2. Fully closed
3. Free accelerator
2
3
1
ZMU04575
1. Fully open
2. Fully closed
3. Free accelerator
IP:
● The free accelerator button can only be
pushed when the remote control lever is in
the neutral position.
● After the button is pushed, the throttle be-
gins to open after the remote control lever is
moved at least 35°.
● After using the free accelerator, return the
remote control lever to the neutral position.
The free accelerator button will return auto-
18
Components
matically to its set position. The remote control will then engage forward and reverse
normally.
EMU25976
Throttle friction adjuster
A friction device provides adjustable resistance to movement of the throttle grip or the
remote control lever, and can be set according to operator preference.
To increase resistance, turn the adjuster
clockwise. To decrease resistance, turn the
adjuster counterclockwise. WARNING! Do
not overtighten the friction adjuster. If
there is too much resistance, it could be
difficult to move the remote control lever
or throttle grip, which could result in an
accident.
[EWM00032]
EMU25995
Engine shut-off cord (lanyard) and
clip
The clip must be attached to the engine shutoff switch for the engine to run. The cord
should be attached to a secure place on the
operator’s clothing, or arm or leg. Should the
operator fall overboard or leave the helm, the
cord will pull out the clip, stopping ignition to
the engine. This will prevent the boat from
running away under power. WARNING! At-
tach the engine shut-off cord to a secure
place on your clothing, or your arm or leg
while operating. Do not attach the cord to
clothing that could tear loose. Do not route
the cord where it could become entangled,
preventing it from functioning. Avoid accidentally pulling the cord during normal
operation. Loss of engine power means
the loss of most steering control. Also,
without engine power, the boat could slow
rapidly. This could cause people and objects in the boat to be thrown forward.
[EWM00122]
ZMU04563
ZMU04646
When constant speed is desired, tighten the
adjuster to maintain the desired throttle setting.
19
3
2
1
ZMU04565
1. Cord
2. Clip
3. Engine shut-off switch
ON
ON
STARTOFF
STARTOFF
3
2
1
ZMU05818
1. Cord
2. Clip
3. Engine shut-off switch
EMU26091
Main switch
The main switch controls the ignition system;
its operation is described below.
● “” (off)
With the main switch in the “” (off) posi-
tion, the electrical circuits are off, and the key
can be removed.
● “” (on)
With the main switch in the “” (on) position,
the electrical circuits are on, and the key cannot be removed.
● “” (start)
With the main switch in the “” (start) po-
sition, the starter motor turns to start the engine. When the key is released, it returns
automatically to the “” (on) position.
ON
OFF
START
ZMU04567
Components
START
UP
OFF
ON
START
ZMU05821
ZMU03938
ON
OFF
EMU32053
Power trim and tilt switch on remote
control
The power trim and tilt system adjusts the outboard motor angle in relation to the transom.
Pushing the switch “” (up) trims the out-
board motor up, and then tilts it up. Pushing
the switch “” (down) tilts the outboard motor
down and trims it down. When the switch is released, the outboard motor will stop in its current position. For instructions on using the
power trim and tilt switch, see pages 51 and
53.
DN
EMU26155
Power trim and tilt switch on bottom
cowling
The power trim and tilt switch is located on the
side of the bottom cowling. Pushing the switch
“” (up) trims the outboard motor up, and
then tilts it up. Pushing the switch “” (down)
20
Components
T
tilts the outboard motor down and trims it
down. When the switch is released, the outboard motor will stop in its current position.
For instructions on using the power trim and
tilt switch, see page 53.
EWM01031
WARNING
Use the power trim and tilt switch located
on the bottom cowling only when the boat
is at a complete stop with the engine off.
Attempting to use this switch while the
boat is moving could increase the risk of
falling overboard and could distract the
operator, increasing the risk of collision
with another boat or an obstacle.
1
DN
UP
ZMU04601
1. Power trim and tilt switch
IP:
On the dual engine control, the switch on the
remote control grip controls both outboard
motors at the same time.
EMU26244
Trim tab with anode
EWM00840
WARNING
An improperly adjusted trim tab could
cause difficult steering. Always test run after the trim tab has been installed or replaced to be sure steering is correct. Be
sure you have tightened the bolt after adjusting the trim tab.
EMU26163
Power trim and tilt switches (twin binnacle type)
The power trim and tilt system adjusts the outboard motor angle in relation to the transom.
Pushing the switch “” (up) trims the out-
board motor up, and then tilts it up. Pressing
the switch “” (down) tilts the outboard motor
down and trims it down. When the switch is released, the outboard motor will stop in its current position. For instructions on using the
power trim and tilt switches, see pages 51 and
53.
21
The trim tab should be adjusted so that the
steering control can be turned to either the
right or left by applying the same amount of
force.
If the boat tends to veer to the left (port side),
turn the trim tab rear end to the port side “A” in
the figure. If the boat tends to veer to the right
(starboard side), turn the trim tab end to the
starboard side “B” in the figure.
ECM00840
NOTICE
The trim tab also serves as an anode to
protect the engine from electrochemical
corrosion. Never paint the trim tab as it will
become ineffective as an anode.
Components
T
1. Trim tab
2. Bolt
3. Cap
Bolt tightening torque:
42.0 Nm (4.28 kgf-m, 31.0 ft-lb)
EMU26341
Tilt support lever for power trim and
tilt model
To keep the outboard motor in the tilted up position, lock the tilt support lever to the clamp
bracket.
ECM00660
NOTICE
Do not use the tilt support lever or knob
when trailering the boat. The outboard motor could shake loose from the tilt support
and fall. If the motor cannot be trailered in
the normal running position, use an additional support device to secure it in the tilt
position.
EMU31421
Cowling lock lever (pull up type)
To remove the top cowling, pull up the cowling
lock lever(s) and lift off the cowling. To install
the top cowling, place it in its original position,
and then move the cowling lock lever(s)
downward to lock it in place.
IP:
● When installing the cowling, check to be
sure it fits properly in the rubber seal.
22
Components
T
● Be sure to check that the gap between the
top cowling and the bottom cowling is even
all around the cowling. If the top cowling is
loose or the gap is not even, reinstall the
cowling.
1
ZMU05347
1. Cowling lock lever(s)
1
ZMU05349
1. Cowling lock lever(s)
EMU26463
Flushing device
This device is used to clean the cooling water
passages of the motor using a garden hose
and tap water.
1. Flushing device
IP:
For details on usage, see page 60.
EMU35563
Fuel filter/Water separator
This engine has a combination fuel filter/water
separator and associated alert system. If water separated from the fuel exceeds a specific
volume, the alert device of 6Y8 Multifunction
Tachometer will activate.
ZMU07545
Activation of alert device
23
● The water separator-alert indicator of 6Y8
Multifunction Tachometer will blink.
● The buzzer will sound intermittently only
when the gear shift is in neutral.
● If the alert system has activated, stop the
engine and consult a Yamaha dealer immediately.
Components
24
Instruments and indicators
T
EMU31414
Digital tachometer
The tachometer shows the engine speed and
has the following functions.
All segments of the display will light momentarily after the main switch is turned on and
will return to normal thereafter.
1
3
5
6
1. Tachometer
2. Trim meter
3. Hour meter
4. Low oil pressure-alert indicator
5. Overheat-alert indicator
6. Set button
7. Mode button
IP:
The water separator-alert indicator and engine trouble-alert indicator on the digital tachometer do not operate for this engine.
EMU36050
Tachometer
The tachometer displays engine speed in
hundreds of revolutions per minute (r/min).
For example, if the tachometer display reads
“22” then the engine speed is 2200 r/min.
EMU26621
Trim meter
This meter shows the trim angle of your outboard motor.
● Memorize the trim angles that work best for
your boat under different conditions. Adjust
the trim angle to the desired using the power trim and tilt switch.
7
ZMU01840
2
4
● If the trim angle of your motor exceeds the
trim operating range, the top segment on
the trim meter display will blink.
ZMU01740
EMU26651
Hour meter
This meter shows the number of hours the engine has been run. It can be set to show the
total number of hours or the number of hours
for the current trip. The display can also be
turned on and off.
ZMU01741
To change the display format, press the
“” (mode) button. The display can show
total hours or trip hours, or turn off.
To reset the trip hours, simultaneously press
the “” (set) and “” (mode) buttons for
more than 1 second while the trip hours are
displayed. This resets the trip counter to 0 (zero).
The total number of hours the engine has
been run cannot be reset.
25
Instruments and indicators
EMU26524
Low oil pressure-alert indicator
If oil pressure drops too low, the alert indicator
will start to blink. For further information, see
page 37.
ECM00022
NOTICE
● Do not continue to run the engine if the
low oil pressure-alert indicator is on and
the engine oil level is lower. Serious engine damage will occur.
● The low oil pressure-alert indicator does
not indicate the engine oil level. Use the
oil dipstick to check the remaining oil
quantity. For further information, see
page 43.
1
ZMU01737
1. Overheat-alert indicator
EMU26602
Digital speedometer
This gauge shows the boat speed and other
information.
1
ZMU01736
1. Low oil pressure-alert indicator
EMU26583
Overheat-alert indicator
If the engine temperature rises too high, the
alert indicator will start to blink. For further information on reading the indicator, see page
37.
ECM00052
NOTICE
Do not continue to run the engine if the
overheat-alert indicator is on. Serious engine damage will occur.
1. Speedometer
2. Fuel gauge
3. Trip meter/clock/voltmeter
4. Alert indicator(s)
All segments of the display will light momentarily after the main switch is turned on and
will return to normal thereafter.
EMU36061
Speedometer
The speedometer displays km/h, mph, or
knots, according to operator preference. Select the desired units of measurement by setting the selector switch on the back of the
gauge. See the illustration for settings.
26
Instruments and indicators
To change the display, press the “”
(mode) button repeatedly until the indicator on
the face of the gauge points to “” (trip
meter), “” (clock), or “” (voltmeter).
EMU26691
Trip meter
This gauge displays the distance the boat has
traveled since the gauge was last reset.
The trip distance is shown in kilometers or
miles depending upon the unit of measure-
1. Cap
2. Selector switch (for speed unit)
3. Selector switch (for fuel sensor)
EMU26713
Fuel gauge
Eight segments indicate the fuel level. When
all segments are showing, the fuel tank is full.
ment selected for the speedometer.
To reset the trip meter to zero, press the “”
(set) and “” (mode) buttons at the same
time.
The trip distance is kept in memory by battery
power. The stored data will be lost if the battery is disconnected.
ZMU01745
The fuel level reading can be inaccurate due
to the position of the sensor in the fuel tank
and the attitude of the boat in the water. Operation with bow-up trim or continuous turning
can give false readings.
Do not adjust the selector switch for fuel sensor. Incorrectly setting the selector switch on
the gauge will give false readings. Consult
your Yamaha dealer on how to correctly set
the selector switch. NOTICE: Running out of
fuel can damage the engine.
EMU36071
[ECM01770]
Trip meter / Clock / Voltmeter
The display shows either the trip meter, the
clock, or the voltmeter.
27
EMU26701
Clock
To set the clock:
1. Be sure the gauge is in the “” (time)
mode.
2. Press the “” (set) button; the hour dis-
play will begin blinking.
3. Press the “” (mode) button until the
desired hour is displayed.
4. Press the “” (set) button again, the
minute display will begin blinking.
5. Press the “” (mode) button until the
desired minute is displayed.
6. Press the “” (set) button again to start
the clock.
Instruments and indicators
The clock operates on battery power. Disconnecting the battery will stop the clock. Reset
the clock after connecting the battery.
EMU36080
Voltmeter
The voltmeter displays the charge of the battery in volts(V).
EMU26721
Fuel level-alert indicator
If the fuel level decreases to one segment, the
fuel level alert segment will blink.
Do not continue to operate the engine with full
throttle if an alert device has activated. Get
back to the port within trolling engine speed.
NOTICE: Running out of fuel can damage
the engine.
[ECM01770]
Get back to the port soon if an alert device has
activated. For charging the battery, consult
your Yamaha dealer.
1. Low battery indicator
EMU26741
Fuel management meter
The fuel management meter shows the state
of the fuel consumption while the engine is
running.
1
3
2
1. Fuel level-alert segment
EMU26732
Low battery voltage-alert indicator
If battery voltage drops, the display will automatically turn on and blink.
ZMU01748
1. Fuel flow meter
2. Fuel consumption meter / Fuel economy
meter / Twin engine speed synchronizer
3. Water separator-alert indicator (operates
only if the sensor has been installed)
All segments of the display will light momentarily after the main switch is turned on and
will return to normal thereafter.
EMU26752
Fuel flow meter
The fuel flow meter displays the amount of
fuel flow over a one-hour period, at the current
rate of engine operation.
28
Instruments and indicators
● The fuel flow meter displays gallons/hour or
liters/hour according to operator preference. Select the desired units of measurement by setting the selector switch on the
back of the gauge during installation.
1. Selector switch
● The fuel consumption meter and fuel econ-
omy meter will indicate the same unit of
measurement.
Fuel flow readings are not accurate when the
engine is operating under about 1300 r/min.
As the fuel pump cycles on and off, the display
indicates either no fuel flow or higher flow than
the actual average use.
Dual engine users: the fuel flow meter can
display the fuel flow of either or both engines.
EMU36090
Fuel consumption meter / Fuel economy meter / Twin engine speed synchronizer
The display shows either the fuel consumption meter, the fuel economy meter, or the
twin engine synchronizer.
To change the display, press the “”
(mode) button repeatedly until the indicator on
the face of the gauge points to “” (fuel con-
sumption meter), “” (fuel economy
meter), or “” (twin engine speed syn-
chronizer).
EMU26761
Fuel consumption meter
This gauge displays the total amount of fuel
consumed since the gauge was last reset.
To reset the total fuel consumption meter to
zero, press the “” (set) and “” (mode)
buttons at the same time.
ZMU01749
To change the fuel flow display, press the
“” (set) button repeatedly until the gauge
displays “” (for fuel flow to the starboard en-
gine only), “” (for fuel flow to the port engine
only), or “” (for total fuel flow both engines).
29
ZMU01751
EMU26771
Fuel economy
This gauge displays the approximate distance
per liter or gallon when cruising.
Instruments and indicators
ZMU01752
If twin engines are installed on your boat, the
gauge will only display the total fuel economy
of both engines.
● Fuel consumption varies greatly with boat
design, weight, propeller used, engine trim
angle, sea conditions (including wind), and
throttle position. Fuel consumption also var-
ies slightly with the type of water (salt, fresh,
and contaminate levels), air temperature
and humidity, cleanliness of the boat bot-
tom, engine mounting height, skill of the op-
erator, and individual gasoline formulation
(winter or summer fuel and amount of addi-
tives).
● The Yamaha digital speedometer and fuel
management meter calculates speed,
miles traveled, and fuel economy by water
movement at the stern of the boat. This dis-
tance can vary greatly from the actual dis-
tance traveled because of water currents,
sea swells, and the condition of the water
speed sensor (if partially plugged or dam-
aged).
● Individual engines may slightly vary in their
fuel consumption due to manufacturing
variations. These variations can be even
greater if the engines are of different year
models. In addition, variations in propellers,
even of the same basic dimensions of the
same design, can also cause a slight varia-
tion in fuel consumption.
EMU26782
Twin-engine speed synchronizer
This gauge displays the difference in engine
speed (r/min) between the port and starboard
engines for reference purposes when synchronizing the two engines’ speeds.
ZMU01753
1
2
3
4
5
ZMU01754
1. Port engine speed is higher
2. Port engine speed is slightly higher
3. Engine speed is synchronized evenly between port and starboard engines
4. Starboard engine speed is slightly higher
5. Starboard engine speed is higher
If the two engines’ speeds are not synchronized while cruising, adjusting trim angle or
throttle can synchronize them.
If large differences in trim angle or throttle are
needed to synchronize the engines, consult
your Yamaha dealer for adjustments to the
throttle cables.
30
Instruments and indicators
EMU26793
Water separator-alert indicator
This indicator will blink when water has accumulated in the water separator. In such an
event, stop the engine and drain the water
from the separator.
This indicator only operates when a water
separator sensor is equipped.
ZMU01755
EMU31653
6Y8 Multifunction meters
Multifunction meters have 6 kinds of meter
units; tachometer unit (square or round
types), speedometer unit (square type),
speed & fuel meter unit (square or round
types), and fuel management meter (square
type). The indicator system is slightly different
between the round and square types. Check
the model and type of your unit carefully. This
manual describes mainly the alert indicators.
For more details on setting meters or changing indicator systems, see the attached operation manual.
EMU36184
6Y8 Multifunction tachometers
The tachometer shows the engine revolutions
per minute. It has functions of trim meter, adjusting trolling speed, cooling water/engine
temperature display, battery voltage display,
total hour/trip hour display, oil pressure display, water detection alert, engine trouble
alert, and periodic maintenance notification. If
the cooling water pressure sensor is installed,
the unit can also show the cooling water pressure display. However, even if the cooling water pressure sensor is not installed, the
cooling water pressure display can be shown
by connecting an optional sensor to the unit.
For the optional sensor, consult your Yamaha
dealer. The tachometer unit is available in
round or square types. Check your tachometer unit type.
1
1. Set button
2. Mode button
2
ZMU05415
1
5
4
7
2
3
6
8
1. Tachometer
2. Trim meter
3. Multifunction display
4. Cooling water pressure
5. Cooling water/engine temperature
6. Water detection-alert indicator
7. Battery voltage
8. Oil pressure (4-stroke models)
ZMU05416
31
T
1
1. Set button
2. Mode button
3
1452
Instruments and indicators
IP:
To stop the buzzer, press the “” (set) or
“” (mode) button.
EMU36130
Low oil pressure-alert
If the engine oil pressure drops too low, the
2
ZMU05417
low oil pressure-alert indicator will start to
blink, and the engine speed will automatically
decrease to about 2000 r/min.
ZMU05430
6879
1. Tachometer
2. Trim meter
3. Multifunction display
4. Water detection-alert indicator
5. Engine trouble alert/maintenance indicator
6. Cooling water pressure
7. Oil pressure (4-stroke models)
8. Cooling water/engine temperature
9. Battery voltage
EMU36110
ZMU05418
Start-up checks
Place the remote control lever in neutral and
turn the main switch to “” (on). After all the
displays come on and the total hour display
comes on, the gauge will change to normal
operation. If the buzzer sounds and the water
separator-alert indicator blinks, consult your
Yamaha dealer immediately.
ZMU05431
Stop the engine immediately if the buzzer
sounds and the low oil pressure-alert indicator
blinks. Check the engine oil quantity and replenish oil if necessary. If the alert device has
activated while the appropriate engine oil
quantity is maintained, consult your Yamaha
dealer.
ECM01601
NOTICE
Do not continue to run the engine if the
low oil pressure alert device has activated.
Serious engine damage will occur.
32
Instruments and indicators
EMU36221
Overheat alert
If the engine temperature rises too high while
cruising, the overheat-alert indicator will start
to blink. The engine speed will automatically
decrease to about 2000 r/min.
ZMU05421
EMU36150
Water separator alert
This indicator will blink if water has accumulated in the water separator (fuel filter) while
cruising. In such an event, stop the engine immediately and see page 84 of this manual to
drain the water from the fuel filter. Get back to
the port soon and consult a Yamaha dealer
immediately.
ZMU05423
ZMU05422
Stop the engine immediately if the buzzer
sounds and the overheat alert device has activated. Check the cooling water inlet for clogging.
ECM01592
NOTICE
● Do not continue to run the engine if the
overheat-alert indicator blinks. Serious
engine damage will occur.
● Do not continue to operate the engine if
a alert device has activated. Consult
your Yamaha dealer if the problem cannot be located and corrected.
33
ZMU05424
ECM00910
NOTICE
Gasoline mixed with water could cause
damage to the engine.
EMU36160
Engine trouble alert
This indicator will blink if the engine malfunctions while cruising. Get back to the port soon
and consult a Yamaha dealer immediately.
Instruments and indicators
ZMU05425
ZMU05426
ECM00920
NOTICE
In such an event, the engine will not operate properly. Consult a Yamaha dealer immediately.
EMU36170
Low battery voltage-alert
If the battery voltage drops, the low battery
voltage-alert indicator and the battery voltage
value will start to blink. Get back to the port
soon if the low battery voltage-alert device
has activated. For charging the battery, consult your Yamaha dealer.
ZMU05427
ZMU05428
EMU36232
6Y8 Multifunction speed & fuel
meters
The speed & fuel meter unit shows the boat
speed and has the functions of fuel meter, total fuel consumption display, fuel economy
display, fuel flow display, and system voltage
display. The chosen display is selected by using the “” (set) and “” (mode) buttons
as described in this section. If the speed sensor is installed, the unit can also show the trip
display. However, even if the speed sensor is
not installed, the trip display can be shown by
connecting an optional sensor to the unit. In
addition, if optional sensors are connected to
the unit, water surface temperature display,
depth display, and clock will also be available.
For the optional sensors, consult your
Yamaha dealer.
34
Instruments and indicators
The speed & fuel meter unit is available in
round or square types. Check your speed &
fuel meter unit type for operation information.
After the main switch is first turned on, all the
displays come on as a test. After a few seconds, the gauge will change to normal operation.
For more information, see the operation manual originally supplied with the meter.
1. Set button
2. Mode button
1
2
ZMU05434
12
1
1. Set button
2. Mode button
1
3
1. Speedometer
2. Fuel meter
3. Multifunction display
2
ZMU05432
2
ZMU05433
3
1. Speedometer
2. Fuel meter
3. Multifunction display
EMU36241
ZMU05435
6Y8 Multifunction speedome-
ters
The speedometer unit shows the boat speed
and has functions of fuel meter and system
voltage display. The chosen display is selected by using the “” (set) and “” (mode)
buttons as described in this section. In addition, the speedometer can show the desired
unit of measurement such as km/h, mph, or
knots. If the speed sensor is installed, the unit
can also show the trip display. However, even
if the speed sensor is not installed, the trip display can be shown by connecting an optional
sensor to the unit. In addition, if optional sensors are connected to the unit, water surface
35
Instruments and indicators
temperature display, depth display, and clock
will also be available. For the optional sensors, consult your Yamaha dealer.
After the main switch is first turned on, all the
displays come on as a test. After a few seconds, the gauge will change to normal operation.
For more information, see the operation manual originally supplied with the meter.
1
1. Set button
2. Mode button
2
ZMU05436
1
buttons as described in this section. For more
information, see the operation manual originally supplied with the meter.
After the main switch is first turned on, all the
displays come on as a test. After a few seconds, the gauge will change to normal operation.
For more information, see the operation manual originally supplied with the meter.
1
1. Set button
2. Mode button
2
ZMU05438
1
3
1. Speedometer
2. Fuel meter
3. Multifunction display
EMU36250
2
ZMU05437
6Y8 Multifunction fuel manage-
ment meters
The fuel management meter has the functions of fuel flow meter, total consumption display, fuel economy display, and remaining
fuel display. The chosen display is selected
by using the “” (set) and “” (mode)
2
ZMU05439
1. Fuel flow meter
2. Multifunction display
36
Engine control system
EMU26803
Alert system
ECM00091
NOTICE
Do not continue to operate the engine if a
alert device has activated. Consult your
Yamaha dealer if the problem cannot be located and corrected.
EMU26827
Overheat alert
This engine has the overheat alert device. If
the engine temperature rises too high, the
alert device will activate.
● The engine speed will automatically de-
crease to about 2000 r/min.
● The overheat-alert indicator will light or
blink.
ZMU01757
● The buzzer will sound.
ON ON
OFF
START
OFF START
ZMU05827
If the alert system has activated, stop the engine and check the cooling water inlets:
● Check trim angle to be sure that the cooling
water inlet is submerged.
● Check the cooling water inlet for clogging.
Dual engine drive users:
If the overheat-alert system of one engine activates, the engine will slow down. To switch
off the alert activation on the engine not affected by overheating, turn off the main switch of
the engine overheating. If the alert system
has activated, stop the engine and tilt the outboard motor up to check the cooling water inlet for clogging. If the alert system has still
activated, tilt the overheated outboard motor
up and return to the port.
EMU35025
Low oil pressure alert
If the oil pressure drops too low, the alert device will activate.
● The engine speed will automatically de-
crease to about 2000 r/min. The low oil
pressure-alert indicator will light or blink.
37
ZMU04583
● The buzzer will sound.
Engine control system
alert activation on the engine not affected by
low oil pressure, turn off the main switch of the
engine with the low oil pressure.
ZMU01828
ZMU04583
ON ON
OFF
START
OFF START
ZMU05827
If the alert system has activated, stop the engine as soon as it is safe to do so. Check the
oil level and add oil as needed. If the oil level
is correct and the alert device does not switch
off, consult your Yamaha dealer.
Twin engine drive users:
If the low oil pressure alert system of one engine activates, both engines will slow down
and the buzzer will sound. To switch off the
38
Installation
EMU26902
Installation
The information presented in this section is intended as reference only. It is not possible to
provide complete instructions for every possible boat and motor combination. Proper
mounting depends in part on experience and
the specific boat and motor combination.
EWM01590
WARNING
● Overpowering a boat could cause se-
vere instability. Do not install an outboard motor with more horsepower than
the maximum rating on the capacity
plate of the boat. If the boat does not
have a capacity plate, consult the boat
manufacturer.
● Improper mounting of the outboard mo-
tor could result in hazardous conditions
such as poor handling, loss of control,
or fire hazards. For permanently mounted models, your dealer or other person
experienced in proper rigging should
mount the motor.
EMU33481
Mounting the outboard motor
The outboard motor should be mounted so
that the boat is well balanced. Otherwise, the
boat could be hard to steer. For single-engine
boats, mount the outboard motor on the centerline (keel line) of the boat. For twin engine
boats, mount the outboard motors equidistant
from the centerline. Consult your Yamaha
dealer or boat manufacturer for further information on determining the proper mounting
location.
1
1. Center line (keel line)
1. Center line (keel line)
EMU26933
ZMU01760
Mounting height (boat bottom)
The mounting height of your outboard motor
affects its efficiency and reliability. If it is
mounted too high, propeller ventilation may
occur, which will reduce propulsion due to excessive propeller slip, and the water intakes
for the cooling system may not get adequate
water supply, which can cause engine overheating. If the engine is mounted too low, water resistance (drag) will increase, thereby
reducing engine efficiency and performance.
Most commonly, outboard motor should be
mounted so that the anti-cavitation plate is in
alignment with the bottom of the boat. The optimum mounting height of the outboard motor
is affected by the boat/motor combination and
the desired use. Test runs at different heights
can help determine the optimum mounting
39
height. Consult your Yamaha dealer or boat
manufacturer for further information on determining the proper mounting height.
ZMU01762
ECM01634
NOTICE
● Make sure that the idle hole is high
enough to prevent water from entering
the engine even if the boat is stationary
with the maximum load.
● Incorrect engine height or obstructions
to the smooth flow of water (such as the
design or condition of the boat, or accessories, such as transom ladders or
depth finder transducers) can create airborne water spray while the boat is
cruising. If the outboard motor is operated continuously in the presence of airborne water spray, enough water could
enter the engine through the air intake
opening in the top cowling to cause severe engine damage. Remove the cause
of the airborne water spray.
Installation
40
Operation
T
EMU36381
First-time operation
EMU36391
Fill engine oil
The engine is shipped from the factory without
engine oil. If your dealer did not fill the oil, you
must fill it before starting the engine. NOTICE:
Check that the engine is filled with oil before first-time operation to avoid severe
engine damage.
The engine is shipped with the following sticker, which should be removed after engine oil
is filled for the first time. For more information
on checking the engine oil level, see page 43.
EMU30174
Breaking in engine
Your new engine requires a period of break-in
to allow mating surfaces of moving parts to
wear in evenly. Correct break-in will help ensure proper performance and longer engine
life. NOTICE: Failure to follow the break-in
procedure could result in reduced engine
life or even severe engine damage.
EMU27085
Procedure for 4-stroke models
Your new engine requires a period of 10
hours break-in to allow mating surfaces of
moving parts to wear in evenly.
IP:
Run the engine in the water, under load (in
gear with a propeller installed) as follows. For
10 hours for breaking in engine avoid extended idling, rough water and crowded areas.
[ECM01781]
ZMU01710
[ECM00801]
1. For the first hour of operation:
Run the engine at varying speeds up to
2000 r/min or approximately half throttle.
2. For the second hour of operation:
Increase engine speed as much as necessary to put the boat on plane (but avoid
full-throttle operation), then back off on
the throttle while keeping the boat at a
planing speed.
3. Remaining 8 hours:
Run the engine at any speed. However,
avoid operating at full throttle for more
than 5 minutes at a time.
4. After the first 10 hours:
Operate the engine normally.
EMU36400
Getting to know your boat
Different boats handle differently. Operate
cautiously while you learn how your boat handles under different conditions and with different trim angles (see page 51).
EMU36413
Checks before starting engine
EWM01921
WARNING
If any item in “Checks before starting engine” is not working properly, have it inspected and repaired before operating the
outboard motor. Otherwise, an accident
could occur.
ECM00120
NOTICE
Do not start the engine out of water. Overheating and serious engine damage can
occur.
EMU36421
Fuel level
Be sure you have plenty of fuel for your trip. A
good rule is to use 1/3 of your fuel to get to the
destination, 1/3 to return, and to keep 1/3 as
an emergency reserve. With the boat level on
41
Operation
a trailer or in the water, turn the key to “”
(on) and check the fuel level. For fuel filling instructions, see page 46.
EMU36432
Remove cowling
For the following checks, remove the top
cowling from the engine. To remove the engine cowling, release all the lock levers and lift
off the cowling.
ZMU06106
● If any fuel leakage is found, the fuel sys-
tem must be repaired by a qualified mechanic. Improper repairs can make the
outboard unsafe to operate.
EMU36451
Check for fuel leaks
● Check for fuel leaks or gasoline fumes in
the boat.
● Check for fuel leakage from the fuel system.
● Check the fuel tank and fuel lines for
cracks, swellings, or other damages.
EMU37322
Checking the fuel filter
Check that the fuel filter is clean and free of
water. If any water is found in the fuel, or if a
significant amount of debris is found, the fuel
tank should be checked and cleaned by a
Yamaha dealer.
ZMU06108
EMU36442
Fuel system
EWM00060
WARNING
Gasoline and its vapors are highly flammable and explosive. Keep away from
sparks, cigarettes, flames, or other sources of ignition.
EWM00910
WARNING
Leaking fuel can result in fire or explosion.
● Check for fuel leakage regularly.
ZMU07545
EMU36462
Controls
● Turn the steering wheel full-right and full-
left. Make sure operation is smooth and unrestricted throughout the whole range with
no binding or excessive free play.
● Operate the throttle levers several times to
make sure there is no hesitation in their
travel. Operation should be smooth over
the complete range of motion, and each lever should return completely to the idle position.
● Look for loose or damaged connections of
the throttle and shift cables.
42
Operation
EMU36483
Engine shut-off cord (lanyard)
Inspect the engine shut-off cord and clip for
damage, such as cuts, breaks, and wear.
3
2
1
ZMU04565
1. Cord
2. Clip
3. Engine shut-off switch
ON
ON
STARTOFF
STARTOFF
3
2
1
ZMU05818
1. Cord
2. Clip
3. Engine shut-off switch
EMU37053
Engine oil
1. Put the outboard motor in an upright position (not tilted). NOTICE: If the motor
is not level, the oil level indicated on
the dipstick may not be accurate.
[ECM01790]
2. Remove oil dipstick and wipe it clean.
3. Insert the dipstick and remove it again.
Be sure to completely insert the dipstick
into the dipstick guide, otherwise the oil
level measurement will be incorrect.
4. Check the oil level using the dipstick to be
sure the level falls between the upper level mark and lower level mark. Consult
your Yamaha dealer if the oil level is out
of specified level or if it appears milky or
dirty.
1
ZMU05972
1. Oil dipstick
1
3
2
ZMU07057
1. Oil dipstick
2. Lower level mark
3. Upper level mark
EMU27153
Engine
● Check the engine and engine mounting.
● Look for loose or damaged fasteners.
● Check the propeller for damage.
● Check for engine oil leaks.
EMU36493
Flushing device
Check that the flushing device’s garden hose
connector is securely screwed on to the fitting
on the bottom cowling. NOTICE: If the gar-
den hose connector is not properly con-
43
nected, cooling water can leak out and the
engine can overheat during operation.
[ECM01801]
12
ZMU06164
1. Fitting
2. Flushing device
EMU36941
Install cowling
1. Be sure that all cowling lock levers are released.
2. Be sure that the rubber seal is seated all
the way around the engine.
3. Place the cowling on top of the seal.
4. Check to be sure it fits properly in the rubber seal.
5. Move the levers to lock the cowling as
shown. NOTICE: If the top cowling is
not installed correctly, water spray under the top cowling can damage the
engine, or the top cowling can blow off
at high speeds.
[ECM01991]
Operation
ZMU06131
ZMU06133
After installing, check the fitting of the top
cowling by pushing it with both hands. If the
top cowling is loose, have it repaired by your
Yamaha dealer.
44
Operation
EMU42560
Checking power trim and tilt system
EWM01930
WARNING
● Never get under the lower unit while it is
tilted, even when the tilt support lever is
locked. Severe injury could occur if the
outboard motor accidentally falls.
● Body parts can be crushed between the
motor and the clamp bracket when the
motor is trimmed or tilted.
● Be sure no one is near the outboard mo-
tor before performing this check.
1. Check the power trim and tilt unit for any
sign of oil leaks.
2. Operate each of the power trim and tilt
switches on the remote control and engine bottom cowling to check that all
switches work.
3. Tilt the outboard motor up and check that
the tilt rod and trim rods are extended
completely.
F200C, FL200C, F225B, FL225B, F250A,
FL250A
F225C
1
2
ZMU06016
1. Tilt rod
2. Trim rods
4. Use the tilt support lever to lock the motor
in the up position. Operate the tilt down
switch briefly so the motor is supported
by the tilt support lever.
F200C, FL200C, F225B, FL225B, F250A,
FL250A
1. Tilt rod
2. Trim rods
45
1. Tilt support lever
F225C
1
ZMU06017
1. Tilt support lever
Operation
5. Check that the tilt rod and trim rods are
free of corrosion or other flaws.
6. Activate the tilt-down switch until the trim
rods have retracted completely into the
cylinders.
F200C, FL200C, F225B, FL225B, F250A,
FL250A
F225C
ZMU03452
7. Activate the trim-up switch until the tilt rod
is fully extended. Unlock the tilt support
lever.
F200C, FL200C, F225B, FL225B, F250A,
FL250A
F225C
ZMU02635
8. Tilt the outboard motor down. Check that
the tilt rod and trim rods operate smoothly.
EMU36582
Battery
Check that the battery is in good condition,
and fully charged. Check that the battery connections are clean, secure and covered by insulating covers. The electrical contacts of the
battery and cables must be clean and properly connected or the battery will not start the
engine.
Refer to the battery manufacturer’s instructions for checks for your particular battery.
EMU30026
Filling fuel
EWM01830
WARNING
● Gasoline and its vapors are highly flam-
mable and explosive. Always refuel according to this procedure to reduce the
risk of fire and explosion.
● Gasoline is poisonous and can cause in-
jury or death. Handle gasoline with care.
Never siphon gasoline by mouth. If you
should swallow some gasoline or inhale
a lot of gasoline vapor, or get some gasoline in your eyes, see your doctor immediately. If gasoline spills on your
ZMU01885
46
Operation
skin, wash with soap and water. If gasoline spills on your clothing, change your
clothes.
1. Make sure that the engine is stopped.
2. Make sure that the boat is in a well-ventilated outdoor area, either securely
moored or trailered.
3. Make sure that no one is in the boat.
4. Do not smoke and keep away from
sparks, flames, static electric discharge,
or other sources of ignition.
5. If you use a portable container to store
and dispense fuel, only use a locally approved GASOLINE container.
6. Touch the fuel nozzle to the filler opening
or funnel to help prevent electrostatic
sparks.
7. Fill the fuel tank, but do not overfill.
WARNING! Do not overfill. Otherwise
fuel can expand and overflow if the
temperature increases.
[EWM02610]
8. Tighten the fuel tank cap securely.
9. Wipe up any spilled gasoline immediately
with dry rags. Dispose of rags properly
according to local laws or regulations.
EMU27452
Operating engine
EWM00420
WARNING
● Before starting the engine, make sure
that the boat is tightly moored and that
you can steer clear of any obstructions.
Be sure there are no swimmers in the
water near you.
● When the air vent screw is loosened,
gasoline vapor will be released. Gasoline is highly flammable, and its vapors
are flammable and explosive. Refrain
from smoking, and keep away from
open flames and sparks while loosening
the air vent screw.
● This product emits exhaust gases which
contain carbon monoxide, a colorless,
odorless gas which could cause brain
damage or death when inhaled. Symptoms include nausea, dizziness, and
drowsiness. Keep cockpit and cabin areas well ventilated. Avoid blocking exhaust outlets.
EMU31812
Sending fuel
1. If there is a fuel joint or a fuel cock on the
boat, firmly connect the fuel line to the
joint or open the fuel cock.
2. Squeeze the primer pump, with the arrow
pointing up, until you feel it become firm.
1. Arrow
EMU27494
Starting engine
EWM01600
WARNING
Before starting the engine, make sure that
the boat is tightly moored and that you can
steer clear of any obstructions. Be sure
there are no swimmers in the water near
you.
EMU27629
Electric start and remote control models
EWM01840
WARNING
● Failure to attached engine shut-off cord
could result in a runaway boat if operator is ejected. Attach the engine shut-off
47
cord to a secure place on your clothing,
T
T
or your arm or leg while operating. Do
not attach the cord to clothing that could
tear loose. Do not route the cord where
it could become entangled, preventing it
from functioning.
● Avoid accidentally pulling the cord dur-
ing normal operation. Loss of engine
power means the loss of most steering
control. Also, without engine power, the
boat could slow rapidly. This could
cause people and objects in the boat to
be thrown forward.
1. Place the remote control lever in “”
(neutral).
N
Operation
ZMU04628
ON
ON
STARTOFF
STARTOFF
ZMU05828
3. Turn the main switch to “” (on).
IP:
The start-in-gear protection device prevents
the engine from starting except when in neutral.
2. Attach the engine shut-off cord to a secure place on your clothing, or your arm
or leg. Then install the clip on the other
end of the cord into the engine shut-off
switch.
ZMU04588
IP:
Dual engine users: When the main switch is
turned on, the buzzer operates for a few seconds then stops automatically. The buzzer
also operates if one of the engines stalls.
4. Turn the main switch to “” (start),
and hold it for a maximum of 5 seconds.
48
Operation
ON
START
ZMU04596
ON
START
ZMU05830
5. Immediately after the engine starts, release the main switch to return it to “”
(on). NOTICE: Never turn the main
switch to “” (start) while the en-
gine is running. Do not keep the starter motor turning for more than 5
seconds. If the starter motor is turned
continuously for more than 5 seconds, the battery will be quickly discharged, thus making it impossible to
start the engine. The starter can also
be damaged. If the engine will not start
after 5 seconds of cranking, return the
main switch to “” (on), wait 10 sec-
onds, then crank the engine again.
[ECM00192]
EMU36510
Checks after starting engine
EMU36523
Cooling water
Check for a steady flow of water from the cooling water pilot hole. A continuous flow of water
from the pilot hole indicates that the water
pump is pumping water through the cooling
water passages. If the cooling water passages are frozen, it may take a while for water to
start flowing out of the pilot hole.
ECM01810
NOTICE
If water is not flowing out of the pilot hole
at all times while the engine is running,
overheating and serious damage could
occur. Stop the engine and check whether
the cooling water inlet on the lower case or
the cooling water pilot hole is blocked.
Consult your Yamaha dealer if the problem cannot be located and corrected.
EMU27670
Warming up engine
EMU30037
Electric start models
1. After starting the engine, allow it to idle for
3 minutes to warm up to provide maximum operating performance and acceleration. Failure to do so will shorten
engine life.
49
Operation
2. Be sure the low oil pressure-alert indicator remains off after starting the engine.
NOTICE: If the low oil pressure-alert
indicator blinks after the engine starts,
stop the engine. Otherwise, serious
engine damage could occur. Check
the oil level and add engine oil if necessary. Consult your Yamaha dealer if
the cause for the low oil pressure alert
cannot be found.
EMU36531
[ECM01831]
Checks after engine warm up
EMU36541
Shifting
While the boat is tightly moored, and without
applying throttle, confirm that the engine shifts
smoothly into forward and reverse, and back
to neutral.
EMU31721
Stop switches
● Confirm that turning the main switch to the
“” (off) position stops the engine.
● Confirm that removing the clip from the en-
gine shut-off switch stops the engine.
● Confirm that the engine cannot be started
with the clip removed from the engine shutoff switch.
EMU31733
Shifting
EWM00180
WARNING
Before shifting, make sure there are no
swimmers or obstacles in the water near
you.
ECM01610
NOTICE
Warm up the engine before shifting into
gear. Until the engine is warm, the idle
speed may be higher than normal. High
idle speed can prevent you from shifting
back to neutral. If this occurs, stop the engine, shift to neutral, then restart the engine and allow it to warm up.
To shift out of neutral
1. Pull the neutral interlock trigger up (if
equipped).
2. Move the remote control lever firmly and
crisply forward (for forward gear) or rearward (for reverse gear) about 35° (a detent can be felt).
To shift from in gear (forward/reverse) to neutral
1. Close the throttle so that the engine
slows to idle speed.
2. After the engine is at idle speed in gear,
move the remote control lever firmly and
crisply to the neutral position.
50
Operation
T
N
ZMU04588
EMU31742
Stopping boat
EWM01510
WARNING
● Do not use the reverse function to slow
down or stop the boat as it could cause
you to lose control, be ejected, or impact
the steering wheel or other parts of the
boat. This could increase the risk of serious injury. It could also damage the
shift mechanism.
● Do not shift into reverse while traveling
at planing speeds. Loss of control, boat
swamping, or damage to the boat could
occur.
The boat is not equipped with a separate
braking system. Water resistance stops it after the throttle lever is moved back to idle. The
stopping distance varies depending on gross
weight, water surface conditions, and wind direction.
EMU27821
Stopping engine
Before stopping the engine, first let it cool off
for a few minutes at idle or low speed. Stopping the engine immediately after operating at
high speed is not recommended.
EMU31831
Procedure
1. Turn the main switch to “” (off).
ONOFF START
ZMU04599
ON ON
OFFOFF
ZMU05833
2. Remove the key if the boat will be left unattended.
IP:
The engine can also be stopped by pulling the
cord and removing the clip from the engine
shut-off switch, then turning the main switch
to “” (off).
EMU27862
Trimming outboard motor
EWM00740
WARNING
Excessive trim for the operating conditions (either trim up or trim down) can
cause boat instability and can make steering the boat more difficult. This increases
the possibility of an accident. If the boat
begins to feel unstable or is hard to steer,
slow down and/or readjust the trim angle.
51
Operation
The trim angle of the outboard motor helps
determine the position of the bow of the boat
in the water. Correct trim angle will help improve performance and fuel economy while
reducing strain on the engine. Correct trim angle depends upon the combination of boat,
engine, and propeller. Correct trim is also affected by variables such as the load in the
boat, sea conditions, and running speed.
1. Trim operating angle
EMU27888
Adjusting trim angle (Power trim and
tilt)
EWM00753
WARNING
● Be sure all people are clear of the out-
board motor when adjusting the trim angle. Body parts can be crushed between
the motor and the clamp bracket when
the motor is trimmed or tilted.
● Use caution when trying a trim position
for the first time. Increase speed gradually and watch for any signs of instability
or control problems. Improper trim angle can cause loss of control.
● If equipped with a power trim and tilt
switch located on the bottom cowling,
use the switch only when the boat is at a
complete stop with the engine off. Do
not adjust the trim angle with this switch
while the boat is moving.
Adjust the outboard motor trim angle using
the power trim and tilt switch.
UP
1
DN
ZMU04193
1. Power trim and tilt switch
1
DN
UP
ZMU04601
1. Power trim and tilt switch
1. Power trim and tilt switch
To raise the bow (trim-out), press the switch
“” (up).
To lower the bow (trim-in), press the switch
“” (down).
52
Operation
T
Make test runs with the trim set to different angles to find the position that works best for
your boat and operating conditions.
EMU27912
Adjusting boat trim
When the boat is on plane, a bow-up attitude
results in less drag, greater stability and efficiency. This is generally when the keel line of
the boat is up about 3 to 5 degrees. With the
bow up, the boat may have a greater tendency to steer to one side or the other. Compensate for this as you steer. When the bow of the
boat is down, it is easier to accelerate from a
standing start onto plane.
Bow Down
Too much trim-in causes the boat to “plow”
through the water, decreasing fuel economy
and making it hard to increase speed. Operating with excessive trim-in at higher speeds
also makes the boat unstable. Resistance at
the bow is greatly increased, heightening the
danger of “bow steering” and making operation difficult and dangerous.
Bow Up
Too much trim-out puts the bow of the boat
too high in the water. Performance and economy are decreased because the hull of the
boat is pushing the water and there is more air
drag. Excessive trim-out can also cause the
propeller to ventilate, which reduces performance further, and the boat may “porpoise”
(hop in the water), which could throw the operator and passengers overboard.
53
IP:
Depending on the type of boat, the outboard
motor trim angle may have little effect on the
trim of the boat when operating.
EMU27946
Tilting up and down
If the engine will be stopped for some time or
if the boat is moored in shallows, the outboard
motor should be tilted up to protect the propeller and lower case from damage by collision
with obstructions, and also to reduce salt corrosion.
EWM01543
WARNING
Make sure that all people are clear of the
outboard motor when tilting the outboard
motor up and down. Body parts can be
crushed between the outboard motor and
the clamp bracket when the outboard motor is trimmed or tilted.
ECM00991
NOTICE
● Before tilting the outboard motor, follow
the procedure under “Stopping engine”
in this chapter. Never tilt the outboard
motor while the engine is running. Severe damage from overheating can result.
● To prevent the cooling water passages
from becoming frozen when the ambient
temperature is 5°C or below, tilt the outboard motor up after it has been
stopped 30 seconds or more.
EMU42681
Procedure for tilting up (power trim
and tilt models)
1. Place the remote control lever in neutral.
Operation
UP
ZMU04194
UP
ZMU07398
N
ZMU07396
2. Press the power trim and tilt switch “”
(up) until the outboard motor has tilted up
completely.
3. Pull the tilt support lever toward you to
support the engine. WARNING! After
tilting the outboard motor, be sure to
support it with the tilt support knob or
tilt support lever. Otherwise the outboard motor could fall back down suddenly if oil in the power trim and tilt
unit or in the power tilt unit loses pressure.
[EWM00262] NOTICE: Do not use the
tilt support lever or knob when trailering the boat. The outboard motor
54
Operation
could shake loose from the tilt support
and fall. If the motor cannot be trailered in the normal running position,
use an additional support device to
secure it in the tilt position. For more
detailed information, see page 58.
[ECM01641]
4. Once the outboard motor is supported
with the tilt support lever, press the power
trim and tilt switch “” (down) to retract
the trim rods. NOTICE: Make sure that
the trim rods retracts completely during mooring. This protects the rods
from marine growth and corrosion,
which could damage the power trim
and tilt mechanism.
[ECM00252]
F200C, FL200C, F225B, FL225B, F250A,
FL250A
ZMU07399
F225C
ZMU07397
EMU42700
Procedure for tilting down (power trim
and tilt models)
1. Push the power trim and tilt switch “”
(up) until the outboard motor is supported
by the tilt rod and the tilt support lever becomes free.
2. Release the tilt support lever.
F200C, FL200C, F225B, FL225B, F250A,
FL250A
55
ZMU07546
F225C
Operation
ZMU06018
3. Push the power trim and tilt switch “”
(down) to lower the outboard motor to the
desired position.
DN
ZMU04196
DN
ZMU04603
EMU28062
Shallow water
EMU32871
Power trim and tilt models
The outboard motor can be tilted up partially
to allow operation in shallow water.
ECM01490
NOTICE
● If the engine speed is suddenly in-
creased when the outboard motor is partially tilted up, the power trim and tilt unit
could be damaged.
● Do not tilt the outboard motor up so that
the cooling water inlet on the lower unit
is above the surface of the water when
setting up for and cruising in shallow
water. Otherwise severe damage from
overheating can result.
EMU32922
Procedure for power trim and tilt models
1. Place the remote control lever in neutral.
N
ZMU04588
56
Operation
2. Slightly tilt the outboard motor up to the
desired position using the power trim and
tilt switch. WARNING! Using the power
trim and tilt switch on the bottom
cowling while the boat is moving or
engine is on could increase the risk of
falling overboard and could distract
the operator, increasing the risk of
collision with another boat or an obstacle.
[EWM01850]
3. To return the outboard motor to the normal running position, press the power
trim and tilt switch and slowly tilt the outboard motor down.
EMU28195
Cruising in other conditions
Cruising in salt water
After operating in salt water, flush the cooling
water passages with fresh water to prevent
them from becoming clogged. Also rinse the
outside of the outboard motor with fresh water.
Cruising in muddy, turbid, or acidic water
Yamaha strongly recommends that you use
the optional chromium-plated water pump kit
(see page 14) if you use the outboard motor in
acidic water or water with a lot of sediment in
it, such as muddy or turbid (cloudy) water. After operating in such water, flush the cooling
passages with fresh water to prevent corrosion. Also rinse the outside of the outboard
motor with fresh water.
57
Maintenance
EMU31844
Transporting and storing out-
board motor
EWM02640
WARNING
● USE CARE when transporting fuel tank,
whether in a boat or car.
● DO NOT fill fuel container to maximum
capacity. Gasoline will expand considerably as it warms up and can build up
pressure in the fuel container. This can
cause fuel leakage and a potential fire
hazard.
● Leaking fuel is a fire hazard. Tighten se-
curely the fuel valve when transporting
and storing the outboard motor.
● Never get under the outboard motor
while it is tilted. Severe injury could occur if the outboard motor accidentally
falls.
● Do not use the tilt support lever or knob
when trailering the boat. The outboard
motor could shake loose from the tilt
support and fall. If the outboard motor
cannot be trailered in the normal running position, use an additional support
device to secure it in the tilt position.
ECM02440
NOTICE
When storing the outboard motor for prolonged time, fuel must be drained from the
fuel tank. The deteriorated fuel could clog
the fuel line causing engine start difficulty
or malfunction.
Leaking fuel is a fire hazard. When trailering
the boat, close the fuel valve to prevent fuel
from leaking.
The outboard motor should be transported
and stored in the normal running position. If
there is insufficient road clearance in this po-
sition, then trailer the outboard motor in the tilt
position using a motor support device such as
a transom saver bar. Consult your Yamaha
dealer for further details.
When the outboard motor is tilted prolonged
time for mooring or trailering the boat, close
the fuel valve.
EMU30041
Storing outboard motor
When storing your Yamaha outboard motor
for prolonged periods of time (2 months or
longer), several important procedures must
be performed to prevent excessive damage. It
is advisable to have your outboard motor serviced by an authorized Yamaha dealer prior to
storage. However, you, the owner, with a minimum of tools, can perform the following procedures.
ECM01350
NOTICE
● To prevent problems which can be
caused by oil entering the cylinder from
the sump, keep the outboard motor in
the attitude shown when transporting
and storing it. Do not store or transport
the outboard motor on its side (not upright).
● Do not place the outboard motor on its
side before the cooling water has
drained from it completely, otherwise
water may enter the cylinder through the
exhaust port and cause engine trouble.
● Store the outboard motor in a dry, well-
ventilated place, not in direct sunlight.
● Drain the remaining gasoline from the
vapor separator. Gasoline left in the vapor separator for a prolonged period of
time will break down and could cause
damage to the fuel line.
58
Maintenance
T
T
ZMU04261
EMU28305
Procedure
EMU31375
Flushing with a flushing attachment
(F200C, FL200C, F225B, FL225B)
EWM00322
WARNING
You could be seriously injured if the engine accidentally starts when you are near
the propeller.
● Before inspecting, removing, or install-
ing the propeller, remove the ignition
coils from the spark plugs. Also, place
the shift control in neutral, turn the main
switch to “” (off) and remove the key,
and remove the clip from the engine
shut-off switch. Turn off the battery cutoff switch if your boat has one.
● Do not use your hand to hold the propel-
ler when loosening or tightening the
propeller nut. Put a wood block between
the anti-cavitation plate and the propeller to prevent the propeller from turning.
IP:
This procedure is performed while the top
cowling and propeller are removed.
1. Disconnect the fuel line from the motor.
2. Install the flushing attachment over the
cooling water inlet. NOTICE: Do not run
the engine without supplying it with
cooling water. Either the engine water
pump will be damaged or the engine
will be damaged from overheating. Before starting the engine, be sure to
supply water to the cooling water passages. Avoid running the outboard
motor at high speed while on the
flushing attachment, otherwise overheating could occur.
1. Flushing attachment
[ECM02000]
3. Cooling system flushing is essential to
prevent the cooling system from clogging
up with salt, sand, or dirt. In addition, fogging/lubricating the engine is necessary
to prevent excessive engine damage due
to rust. Perform the flushing and fogging
at the same time. WARNING! Do not
touch or remove electrical parts when
starting or during operation. Keep
hands, hair, and clothes away from
the flywheel and other rotating parts
while the engine is running.
[EWM00091]
IP:
● When using the flushing attachment, main-
tain adequate water pressure so that there
is a steady flow of water from the cooling
water pilot hole.
● A flushing attachment is available from your
Yamaha dealer.
● If the overheat alert device is activated, turn
the engine off, and consult your Yamaha
dealer.
59
Maintenance
T
T
T
4. Run the engine at a fast idle for a few
minutes in neutral position. WARNING!
Attach the engine shut-off cord to a
secure place on your clothing, or your
arm or leg while operating.Do not attach the cord to clothing that could
tear loose. Do not route the cord
where it could become entangled, preventing it from functioning.
[EWM01472]
NOTICE: Never turn the main switch to
“” (start) while the engine is running. Do not keep the starter motor
turning for more than 5 seconds. If the
starter motor is turned continuously
for more than 5 seconds, the battery
will be quickly discharged, thus making it impossible to start the engine.
The starter can also be damaged. If the
engine will not start after 5 seconds of
cranking, return the main switch to
“” (on), wait 10 seconds, then crank
the engine again.
[ECM00192]
5. Just prior to turning off the engine, quickly
spray “Fogging Oil” alternately into the intake silencer or the fogging hole of the silencer cover, if equipped. When properly
done, the engine will smoke excessively
and almost stall.
IP:
If “Fogging Oil” is not available, turn off the engine. Remove the spark plug(s). Pour a teaspoonful of clean engine oil into each cylinder.
Crank the engine several times manually. Reinstall the spark plug(s).
6. Remove the flushing attachment.
EMU41320
Draining the gasoline from the vapor separator
Gasoline in the vapor separator must be
drained before storing the outboard motor.
Have a Yamaha dealer drain the gasoline
from the vapor separator.
EMU31393
Washing the outboard motor
IP:
This procedure is performed while the top
cowling is installed.
1. Wash the outboard motor body using
fresh water. NOTICE: Do not spray wa-
ter into the air intake.
[ECM01840]
2. Drain the cooling water completely out of
the motor. Clean the body thoroughly.
EMU28402
Lubrication
1. Install the spark plug(s) and torque to
proper specification. For information on
spark plug installation, see page 68.
2. Change the gear oil. For instructions, see
page 74. Inspect the oil for the presence
of water that indicates a leaky seal. Seal
replacement should be performed by an
authorized Yamaha dealer prior to use.
3. Grease all grease fittings. For further details, see page 66.
IP:
For long-term storage, fogging the engine
with oil is recommended. Contact your
Yamaha dealer for information about fogging
oil and procedures for your engine.
EMU42550
Flushing power unit
Perform this procedure right after operation
for the most thorough flushing.
60
Maintenance
T
ECM01530
NOTICE
Do not perform this procedure while the
engine is running. The water pump may be
damaged and severe damage from overheating can result.
1. After shutting off the engine, unscrew the
garden hose connector from the fitting on
the bottom cowling.
off the water and disconnect the garden
hose adapter from the garden hose connector.
4. Reinstall the garden hose connector onto
the fitting on the bottom cowling. Tighten
the connector securely. NOTICE: Do not
leave the garden hose connector
loose on the bottom cowling fitting or
let the hose hang free during normal
operation. Water will leak out of the
connector instead of cooling the engine, which can cause serious overheating. Be sure the connector is
tightened securely on the fitting after
flushing the engine.
[ECM00541]
IP:
● When flushing the engine with the boat in
the water, tilting up the outboard motor until
it is completely out of the water will achieve
better results.
● F200C, FL200C, F225B, FL225B: For cool-
ing system flushing instructions, see page
58.
EMU28452
Cleaning the outboard motor
After use, wash the exterior of the outboard
motor with fresh water. Flush the cooling system with fresh water.
1. Fitting
2. Garden hose connector
3. Garden hose adapter
2. Screw the garden hose adapter onto a
garden hose, which is connected to a
fresh water supply, and then connect it to
the garden hose connector.
3. With the engine off, turn on the water tap
and let the water flush through the cooling passages for about 15 minutes. Turn
61
Maintenance
EMU28461
Checking painted surface of outboard
motor
Check the outboard motor for scratches,
nicks, or flaking paint. Areas with damaged
paint are more likely to corrode. If necessary,
clean and paint the areas. A touch-up paint is
available from your Yamaha dealer.
EMU2847C
Periodic maintenance
EWM01871
WARNING
These procedures require mechanical
skills, tools, and supplies. If you do not
have the proper skills, tools, or supplies to
perform a maintenance procedure, have a
Yamaha dealer or other qualified mechanic do the work.
The procedures involve disassembling
the motor and exposing dangerous parts.
To reduce the risk of injury from moving,
hot, or electrical parts:
● Turn off the engine and keep the key(s)
and engine shut-off cord (lanyard) with
you when you perform maintenance unless otherwise specified.
● The power trim and tilt switches operate
even when the ignition key is off. Keep
people away from the switches whenever working around the motor. When the
motor is tilted, keep away from the area
under it or between it and the clamp
bracket. Be sure no one is in this area
before operating the power trim and tilt
mechanism.
● Allow the engine to cool before handling
hot parts or fluids.
● Always completely reassemble the mo-
tor before operation.
EMU28511
Replacement parts
If replacement parts are necessary, use only
genuine Yamaha parts or parts of equivalent
design and quality. Any part of inferior quality
may malfunction, and the resulting loss of
control could endanger the operator and passengers. Yamaha genuine parts and accessories are available from your Yamaha
dealer.
EMU34151
Severe operating conditions
Severe operating conditions involve one or
more of the following types of operation on a
regular basis:
● Operating continuously at or near maxi-
mum engine speed (rpm) for many hours
● Operating continuously at a low engine
speed (rpm) for many hours
● Operating without sufficient time for engine
to warm up and cool down
● Frequent quick acceleration and decelera-
tion
● Frequent shifting
● Frequently starting and stopping the en-
gine(s)
● Operation that fluctuates often between
light and heavy cargo loads
Outboard motors operating under any of
these above conditions require more frequent
maintenance. Yamaha recommends that you
do this service twice as often as specified in
the maintenance chart. For example, if a particular service should be done at 50 hours, do
it instead at 25 hours. This will help prevent
more rapid deterioration of engine components.
62
Maintenance
T
EMU34446
Maintenance chart 1
IP:
● Refer to the sections in this chapter for explanations of each owner-specific action.
● The maintenance cycle on these charts assume usage of 100 hours per year and regular
flushing of the cooling water passages. Maintenance frequency should be adjusted when operating the engine under adverse conditions such as extended trolling.
● Disassembly or repairs may be necessary depending on the outcome of maintenance
checks.
● Expendable or consumable parts and lubricants will lose their effectiveness over time and
through normal usage regardless of the warranty period.
● When operating in salt water, muddy, other turbid (cloudy), acidic water, the engine should
be flushed with clean water after each use.
The “” symbol indicates the check-ups which you may carry out yourself.
The “” symbol indicates work to be carried out by your Yamaha dealer.
Initial Every
Item Actions
Anode(s) (external)
Anode(s) (cylinder
head, thermostat cover)
Anodes (exhaust cover,
cooling water passage
cover, Rectifier Regulator cover)
Battery (electrolyte level, terminal)
Battery (electrolyte level, terminal)
Cooling water leakage
Cowling lock lever Inspection
Engine starting condition/noise
Engine idle
speed/noise
Engine oil Replacement
Engine oil filter (cartridge)
Fuel filter (can be disassembled)
Inspection or replacement as necessary
Inspection or replacement as necessary
Replacement
Inspection
Fill, charging or replacing as necessary
Inspection or replacement as necessary
Inspection
Inspection
Replacement
Inspection or replacement as necessary
20 hours
(3 months)
100 hours
(1 year)
300 hours
(3 years)
500 hours
(5 years)
63
Item Actions
Fuel line (High pressure)
Fuel line (High pressure)
Fuel line (Low pressure)
Fuel line (Low pressure)
Fuel pump
Fuel/engine oil leakage Inspection
Gear oil Replacement
Greasing points Greasing
Impeller/water pump
housing
Impeller/water pump
housing
OCV (Oil Control
Valve) filter
Power trim and tilt unit Inspection
Propeller/propeller
nut/cotter pin
PCV (Pressure Control Valve)
Shift link/shift cable
Spark plug(s)
Spark plug caps/spark
plug wires
Water from the cooling
water pilot hole
Throttle link/throttle cable/throttle pick-up timing
Thermostat
Timing belt
Inspection
Inspection or replacement as necessary
Inspection
Inspection or replacement as necessary
Inspection or replacement as necessary
Inspection or replacement as necessary
Replacement
Replacement
Inspection or replacement as necessary
Inspection or replacement as necessary
Inspection, adjustment
or replacement as necessary
Inspection or replacement as necessary
Inspection or replacement as necessary
Inspection
Inspection, adjustment
or replacement as necessary
Inspection or replacement as necessary
Inspection or replacement as necessary
Maintenance
Initial Every
20 hours
(3 months)
100 hours
(1 year)
300 hours
(3 years)
500 hours
(5 years)
64
Maintenance
T
Initial Every
Item Actions
Valve clearance
Cooling water inlet Inspection
Main switch/stop
switch/choke switch
Wire harness connections/wire coupler connections
(Yamaha) Meter/gauge Inspection
EMU34451
Inspection and adjustment
Inspection or replacement as necessary
Inspection or replacement as necessary
Maintenance chart 2
Item Actions
Exhaust guide/exhaust
manifold
Timing belt Replacement
EMU28911
Inspection or replacement as necessary
IP:
When using lead or high-sulfur gasoline, inspecting valve clearance may be required more frequently than every 500 hours.
20 hours
(3 months)
100 hours
(1 year)
Every
1000 hours
300 hours
(3 years)
500 hours
(5 years)
65
EMU28943
Greasing
Yamaha grease A (water resistant grease)
Yamaha grease D (corrosion resistant grease; for propeller shaft)
F200C, FL200C, F225B, FL225B
Maintenance
66
Maintenance
F225C, F250A, FL250A
67
EMU30778
Cleaning and adjusting spark plug
The spark plug is an important engine component and is easy to inspect. The condition of
the spark plug can indicate something about
the condition of the engine. For example, if the
center electrode porcelain is very white, this
could indicate an intake air leak or carburetion
problem in that cylinder. Do not attempt to diagnose any problems yourself. Instead, take
the outboard motor to a Yamaha dealer. You
should periodically remove and inspect the
spark plug because heat and deposits will
cause the spark plug to slowly break down
and erode.
1. Remove the bolts to remove the ECM
(Electronic control module) cover.
Maintenance
1. Bolts
2. Ignition coil
3. Remove the spark plug. If electrode erosion becomes excessive, or if carbon and
other deposits are excessive, you should
replace the spark plug with another of the
correct type. WARNING! When remov-
ing or installing a spark plug, be careful not to damage the insulator. A
damaged insulator could allow external sparks, which could lead to explosion or fire.
[EWM00561]
1. Bolts
2. ECM (Electronic Control Module) cover
2. Remove the bolts that are securing the
ignition coil, and then remove the ignition
coil. Do not use any tools to remove or install the ignition coil, otherwise the ignition coil coupler may get damaged.
Standard spark plug:
LFR6A-11
4. Be sure to use the specified spark plug,
otherwise the engine may not operate
properly. Before fitting the spark plug,
measure the electrode gap with a wire
thickness gauge; replace it if out of specification.
68
Maintenance
T
1. Spark plug gap
2. Spark plug part number
3. Spark plug I.D. mark (NGK)
Spark plug gap:
1.0–1.1 mm (0.039–0.043 in)
5. When fitting the plug, wipe off any dirt
from the threads, and then screw it in to
the correct torque.
Spark plug torque:
25.0 Nm (2.55 kgf-m, 18.4 ft-lb)
IP:
If a torque-wrench is not available when you
are fitting a spark plug, a good estimate of the
correct torque is 1/4 to 1/2 turn past fingertight. Have the spark plug adjusted to the correct torque as soon as possible with a torquewrench.
6. Install the ignition coil and tighten the
bolts.
Bolt tightening torque:
7.0 Nm (0.71 kgf-m, 5.2 ft-lb)
7. Install the ECM (Electronic control module) cover and tighten the bolts.
Bolt tightening torque:
8.0 Nm (0.82 kgf-m, 5.9 ft-lb)
EMU29044
Inspecting idle speed
EWM00451
WARNING
● Do not touch or remove electrical parts
when starting or during operation.
● Keep hands, hair, and clothes away from
the flywheel and other rotating parts
while the engine is running.
ECM00490
NOTICE
This procedure must be performed while
the outboard motor is in the water. A flushing attachment or test tank can be used.
If the boat is not equipped with a tachometer
for the outboard motor, use a diagnostic tachometer for this procedure. Results may
vary depending on whether testing is conducted with the flushing attachment, in a test tank,
or with the outboard motor in the water.
1. Start the engine and allow it to warm up
fully in neutral until it is running smoothly.
2. Once the engine has warmed up, verify
whether the idle speed is set to specification. For idle speed specifications, see
page 9. If you have difficulty verifying the
idle speed, or the idle speed requires adjustment, consult a Yamaha dealer or
other qualified mechanic.
EMU37494
Changing engine oil
ECM01710
NOTICE
Change the engine oil after the first 20
hours of operation or 3 months, and every
100 hours or at 1-year intervals thereafter.
Otherwise the engine will wear quickly.
The engine oil should be extracted with an oil
changer.
69
Maintenance
1. Put the outboard motor in an upright position (not tilted). NOTICE: If the out-
board motor is not level, the oil level
indicated on the oil dipstick may not
be accurate.
[ECM01861]
2. Start the engine. Warm it up and keep the
idle speed for 5-10 minutes.
3. Stop the engine and leave it for 5-10 minutes.
4. Remove the top cowling.
5. Remove the oil filler cap. Pull out the dipstick and use the oil changer to extract
the oil completely.
6. Add the correct amount of oil through the
filler hole. Put back the filler cap and the
dipstick. NOTICE: Overfilling the oil
could cause leakage or damage. If the
oil level is above the upper level mark,
drain until the level meets the specified capacity.
1. Oil filler cap
[ECM01850]
Recommended engine oil:
4-stroke outboard motor oil
Replacement engine oil quantity (at periodic maintenance):
Without oil filter replacement:
4.5 L (4.76 US qt, 3.96 Imp.qt)
With oil filter replacement:
4.7 L (4.97 US qt, 4.14 Imp.qt)
1. Oil changer
7. Leave the outboard motor for 5-10 minutes.
8. Remove oil dipstick and wipe it clean.
9. Insert the dipstick and remove it again.
Be sure to completely insert the dipstick
into the dipstick guide, otherwise the oil
level measurement will be incorrect.
10. Recheck the oil level using the dipstick to
be sure the level falls between the upper
and lower marks. Consult your Yamaha
dealer if the oil level is out of specified level.
70
Maintenance
T
1
3
2
ZMU07057
1. Oil dipstick
2. Lower level mark
3. Upper level mark
11. Start the engine and make sure that the
low oil pressure-alert indicator remains
off. Also, make sure that there are no oil
leaks. NOTICE: If the low oil pressure-
alert indicator comes on or if there are
oil leaks, stop the engine and find the
cause. Continued operation with a
problem could cause severe engine
damage. Consult your Yamaha dealer
if the problem cannot be located and
corrected.
12. Dispose of used oil according to local
regulations.
IP:
● For more information on the disposal of
used oil, consult your Yamaha dealer.
● Change the oil more often when operating
the engine under adverse conditions such
as extended trolling.
EMU29114
Inspecting wiring and connectors
● Inspect that each connector is engaged se-
curely.
● Inspect that each ground lead is properly
secured.
[ECM01622]
EMU29174
Checking propeller
EWM01881
WARNING
You could be seriously injured if the engine accidentally starts when you are near
the propeller. Before inspecting, removing, or installing the propeller, place the
shift control in neutral, turn the main
switch to “” (off) and remove the key,
and remove the clip from the engine shutoff switch. Turn off the battery cut-off
switch if your boat has one.
Do not use your hand to hold the propeller
when loosening or tightening the propeller
nut. Put a wood block between the anti-cavitation plate and the propeller to prevent the
propeller from turning.
71
Checkpoints
● Check each of the propeller blades for ero-
sion from cavitation or ventilation, or other
damage.
● Check the propeller shaft for damage.
● Check the splines for wear or damage.
● Check for fish line tangled around the pro-
peller shaft.
Maintenance
F200C, FL200C, F225B, FL225B, F250A,
FL250A
6
5
4
3
2
1
ZMU07269
1. Cotter pin
2. Propeller nut
3. Washer
4. Spacer
5. Propeller
6. Thrust washer
F225C
7
6
5
4
3
2
● Check the propeller shaft oil seal for dam-
age.
EMU42631
Removing propeller
1. Straighten the cotter pin and pull it out using a pair of pliers.
2. Remove the propeller nut, washer, and
spacer. WARNING! Do not use your
hand to hold the propeller when loosening the propeller nut.
[EWM01890]
1
ZMU07547
1. Cotter pin
2. Propeller nut
3. Washer
4. Spacer
5. Propeller
6. Spacer
7. Thrust washer
3. Remove the propeller, spacer (if
equipped), and thrust washer.
72
Maintenance
EMU42642
Installing propeller
EWM00770
WARNING
On counter rotation models, be sure to
use a propeller intended for counterclockwise rotation. These propellers are identified with the letter “L” after the size
indication on the propeller. Otherwise the
boat could move in the opposite direction
from that expected.
ECM00501
NOTICE
Make sure to use a new cotter pin and
bend the ends over securely. Otherwise,
the propeller could come off during operation and be lost.
1. Apply Yamaha marine grease or a corrosion resistant grease to the propeller
shaft.
2. Install the thrust washer, spacer (if
equipped), and propeller on the propeller
shaft. NOTICE: Make sure to install the
thrust washer before installing the
propeller. Otherwise, the lower case
and propeller boss could be damaged.
[ECM01881]
3. Install the spacer, washer, and propeller
nut. Tighten the propeller nut to the specified torque.
F200C, FL200C, F225B, FL225B, F250A,
FL250A
6
5
4
3
2
1
ZMU07549
1. Cotter pin
2. Propeller nut
3. Washer
4. Spacer
5. Propeller
6. Thrust washer
F225C
7
6
5
4
3
2
1
73
ZMU07548
1. Cotter pin
2. Propeller nut
3. Washer
4. Spacer
5. Propeller
Maintenance
T
T
T
6. Spacer
7. Thrust washer
Propeller nut tightening torque:
55.0 Nm (5.61 kgf-m, 40.6 ft-lb)
IP:
Make sure to align the protrusions on the
spacer with the cutout areas of the propeller.
4. Align the propeller nut slot with the propeller shaft hole. Insert a new cotter pin in
the hole and bend the cotter pin ends.
NOTICE: Do not reuse the cotter pin.
Otherwise, the propeller can come off
during operation.
[ECM01891]
1
ZMU06956
1. Cotter pin
● Never get under the lower unit while it is
tilted, even when the tilt support lever or
knob is locked. Severe injury could occur if the outboard motor accidentally
falls.
1. Tilt the outboard motor so that the gear oil
drain screw is at the lowest point possible.
2. Place a suitable container under the gear
case.
3. Remove the gear oil drain screw and gasket. NOTICE: If there is an excessive
quantity of metal particles on the magnetic gear oil drain screw, this can indicate lower unit problem. Consult
your Yamaha dealer.
[ECM01900]
IP:
If the propeller nut slot does not align with the
propeller shaft hole after tightening the propeller nut to the specified torque, tighten the
nut further to align the slot with the hole.
EMU42570
Changing gear oil
F200C, FL200C, F225B, FL225B
EWM00800
WARNING
● Be sure the outboard motor is securely
fastened to the transom or a stable
stand. You could be severely injured if
the outboard motor falls on you.
1. Gear oil drain screw
2. Oil level plug
3. Gasket
IP:
● If a magnetic gear oil drain screw is
equipped, remove all metal particles from
the screw before installing it.
● Always use new gaskets. Do not reuse the
removed gaskets.
74
Maintenance
T
4. Remove the oil level plug and gasket to
allow the oil to drain completely.
NOTICE: Check the used gear oil after
it has been drained. If the gear oil is
milky or contains water or a large
amount of metal particles, the gear
case may be damaged. Have a
Yamaha dealer check and repair the
outboard motor.
[ECM00713]
IP:
For disposal of used oil, consult your Yamaha
dealer.
5. Put the outboard motor in a vertical position. Using a flexible or pressurized filling
device, inject the gear oil into the gear oil
drain screw hole.
Recommended gear oil:
Hypoid gear oil SAE#90
Gear oil quantity:
F200CET 1.150 L (1.216 US qt,
1.012 Imp.qt)
F225BET 1.150 L (1.216 US qt,
1.012 Imp.qt)
FL200CET 1.000 L (1.057 US qt,
0.880 Imp.qt)
FL225BET 1.000 L (1.057 US qt,
0.880 Imp.qt)
6. Put a new gasket on the oil level plug.
When the oil begins to flow out of the oil
level plug hole, insert and tighten the oil
level plug.
Tightening torque:
9.0 Nm (0.92 kgf-m, 6.6 ft-lb)
7. Put a new gasket on the gear oil drain
screw. Insert and tighten the gear oil
drain screw.
Tightening torque:
9.0 Nm (0.92 kgf-m, 6.6 ft-lb)
F225C, F250A, FL250A
EWM00800
WARNING
● Be sure the outboard motor is securely
fastened to the transom or a stable
stand. You could be severely injured if
the outboard motor falls on you.
● Never get under the lower unit while it is
tilted, even when the tilt support lever or
knob is locked. Severe injury could occur if the outboard motor accidentally
falls.
1. Tilt the outboard motor so that the gear oil
drain screw is at the lowest point possible.
2. Place a suitable container under the gear
case.
3. Remove the cooling water inlet covers on
both sides of the gear case. Be careful
not to lose the bolt and nut.
4. Remove the gear oil drain screw and gasket. The screw is magnetic so a small
quantity of metal particles on the end of
the screw is normal. Simply remove
them. NOTICE: If there is an excessive
quantity of metal particles on the magnetic gear oil drain screw, this can indicate lower unit problem. Consult
your Yamaha dealer.
[ECM01900]
75
TIP:
1. Oil level plug
5
2
6
3
4
3
1
2
ZMU05487
2. Gasket
3. Cooling water inlet cover
4. Bolt
5. Gear oil drain screw
6. Nut
5. Remove the oil level plug and gasket to
allow the oil to drain completely.
NOTICE: Check the used gear oil after
it has been drained. If the gear oil is
milky or contains water or a large
amount of metal particles, the gear
case may be damaged. Have a
Yamaha dealer check and repair the
outboard motor.
For disposal of used oil, consult your Yamaha
dealer.
6. Put the outboard motor in a vertical position. Using a flexible or pressurized filling
device, inject the gear oil into the gear oil
drain screw hole.
[ECM00713]
Maintenance
Recommended gear oil:
Hypoid gear oil SAE#90
Gear oil quantity:
F225CET 0.920 L (0.972 US qt,
0.810 Imp.qt)
F250AET 0.920 L (0.972 US qt,
0.810 Imp.qt)
FL250AET 0.800 L (0.846 US qt,
0.704 Imp.qt)
7. Put a new gasket on the oil level plug.
When the oil begins to flow out of the oil
level plug hole, insert and tighten the oil
level plug.
Tightening torque:
9.0 Nm (0.92 kgf-m, 6.6 ft-lb)
8. Put a new gasket on the gear oil drain
screw. Insert and tighten the gear oil
drain screw.
Tightening torque:
9.0 Nm (0.92 kgf-m, 6.6 ft-lb)
9. Securely install the cooling water inlet
covers on both sides of the gear case using the bolt and nut removed earlier.
76
Maintenance
T
Tightening torque:
2.0 Nm (0.20 kgf-m, 1.5 ft-lb)
EMU29314
Inspecting and replacing anode(s)
Yamaha outboard motors are protected from
corrosion by sacrificial anodes. Inspect the
external anodes periodically. Remove scales
from the surfaces of the anodes. Consult a
Yamaha dealer for replacement of external
anodes.
ECM00720
NOTICE
Do not paint anodes, as this would render
them ineffective.
IP:
Inspect ground leads attached to external anodes on equipped models. Consult a Yamaha
dealer for inspection and replacement of internal anodes attached to the power unit.
EMU29323
Checking battery (for electric start
models)
EWM01902
WARNING
Battery electrolyte is poisonous and caustic, and batteries generate explosive hydrogen gas. When working near the
battery:
● Wear protective eye gear and rubber
gloves.
● Do not smoke or bring any other source
of ignition near the battery.
77
Maintenance
The procedure for checking the battery varies
for different batteries. This procedure contains typical checks that apply to many batteries, but you should always refer to the battery
manufacturer’s instructions.
ECM01920
NOTICE
A poorly maintained battery will quickly
deteriorate.
1. Check the electrolyte level.
2. Check the battery’s charge. If your boat is
equipped with the digital speedometer,
the voltmeter and low battery alert functions will help you monitor the battery’s
charge. If the battery needs charging,
consult your Yamaha dealer.
3. Check the battery connections. They
should be clean, secure, and covered by
an insulating cover. WARNING! Bad
connections can produce shorting or
arcing and cause an explosion.
EMU35605
[EWM01912]
Connecting the battery
EWM00572
WARNING
Mount the battery holder securely in a dry,
well-ventilated, vibration-free location in
the boat. Install a fully charged battery in
the holder.
ECM01124
NOTICE
Do not reverse the battery cables. Otherwise, the electrical parts could be damaged.
1. Make sure the main switch (on applicable
models) is “” (off) before working on
the battery.
2. Connect the red battery cable to the
POSITIVE (+) terminal first. Then connect the black battery cable to the NEGATIVE (-) terminal.
1
3
1. Red cable
2. Black cable
3. Battery
3. The electrical contacts of the battery and
cables must be clean and properly connected, or the battery will not start the engine.
Connecting an accessory battery (optional)
If connecting an accessory battery, consult
your Yamaha dealer about correct wiring. It is
recommendable to install the fuse to the isolator lead as shown in the illustration. For the
fuse size, be sure to follow local regulations.
For example, for USA, the ABYC rules (E-11)
should be observed.
2
ZMU01811
78
Maintenance
Single engine Twin engines
1
2
5
3
2 1
6 5
7
1. Isolator lead with circuit protection
2. Red cable
3. Black cable
4. Fuse
5. Battery for accessories
6. Battery for starting
7. Negative connecting cable
4
ZMU05939
4
3
34
6
7 8 7
9
ZMU05941
1. Starboard side engine
2. Port side engine
3. Red cable
4. Black cable
5. Isolator leads with circuit protection
6. Fuse
7. Battery for starting
8. Battery for accessories
9. Negative connecting cable
EMU29371
Disconnecting the battery
1. Turn off the battery cut-off switch (if
equipped) and main switch. NOTICE: If
they are left on, the electrical system
can be damaged.
2. Disconnect the negative cable(s) from
the negative (-) terminal. NOTICE: Al-
ways disconnect all negative (-) cables first to avoid a short circuit and
damage to the electrical system.
[ECM01940]
[ECM01930]
79
3. Disconnect the positive cable(s) and remove the battery from the boat.
4. Clean, maintain, and store the battery according to the manufacturer’s instructions.
Maintenance
80
Trouble Recovery
EMU29427
Troubleshooting
A problem in the fuel, compression, or ignition
systems can cause poor starting, loss of power, or other problems. This section describes
basic checks and possible remedies, and covers all Yamaha outboard motors. Therefore
some items may not apply to your model.
If your outboard motor requires repair, bring it
to your Yamaha dealer.
If the engine trouble-alert indicator is flashing,
consult your Yamaha dealer.
Starter will not operate.
Q. Is battery capacity weak or low?
A. Check battery condition. Use battery of recommended capacity.
Q. Are battery connections loose or corroded?
A. Tighten battery cables and clean battery
terminals.
Q. Is fuse for electric start relay or electric circuit blown?
A. Check for cause of electric overload and
repair. Replace fuse with one of correct amperage.
Q. Are starter components faulty?
A. Have serviced by a Yamaha dealer.
Q. Is shift lever in gear?
A. Shift to neutral.
Engine will not start (starter operates).
Q. Is fuel tank empty?
A. Fill tank with clean, fresh fuel.
Q. Is fuel filter clogged?
A. Clean or replace filter.
Q. Is starting procedure incorrect?
A. See page 47.
Q. Has fuel pump malfunctioned?
A. Have serviced by a Yamaha dealer.
Q. Are spark plug(s) fouled or of incorrect
type?
A. Inspect spark plug(s). Clean or replace with
recommended type.
Q. Are spark plug cap(s) fitted incorrectly?
A. Check and re-fit cap(s).
Q. Is ignition wiring damaged or poorly connected?
A. Check wires for wear or breaks. Tighten all
loose connections. Replace worn or broken
wires.
Q. Are ignition parts faulty?
A. Have serviced by a Yamaha dealer.
Q. Is engine shut-off cord (lanyard) not attached?
A. Attach cord.
Q. Are engine inner parts damaged?
A. Have serviced by a Yamaha dealer.
Engine idles irregularly or stalls.
Q. Are spark plug(s) fouled or of incorrect
type?
A. Inspect spark plug(s). Clean or replace with
recommended type.
Q. Is fuel contaminated or stale?
A. Fill tank with clean, fresh fuel.
81
Q. Is fuel system obstructed?
Trouble Recovery
A. Check for pinched or kinked fuel line or other obstructions in fuel system.
Q. Is fuel contaminated or stale?
A. Fill tank with clean, fresh fuel.
Q. Is fuel filter clogged?
A. Clean or replace filter.
Q. Have ignition parts failed?
A. Have serviced by a Yamaha dealer.
Q. Has alert system activated?
A. Find and correct cause of alert.
Q. Is spark plug gap incorrect?
A. Inspect and adjust as specified.
Q. Is ignition wiring damaged or poorly connected?
A. Check wires for wear or breaks. Tighten all
loose connections. Replace worn or broken
wires.
Q. Is specified engine oil not being used?
A. Check and replace oil as specified.
Q. Is thermostat faulty or clogged?
A. Have serviced by a Yamaha dealer.
Q. Are carburetor adjustments incorrect?
A. Have serviced by a Yamaha dealer.
Q. Is fuel pump damaged?
A. Have serviced by a Yamaha dealer.
Q. Is air vent screw on fuel tank closed?
A. Open air vent screw.
Q. Is choke knob pulled out?
A. Return to home position.
Q. Is motor angle too high?
A. Return to normal operating position.
Q. Is carburetor clogged?
A. Have serviced by a Yamaha dealer.
Q. Is fuel joint connection incorrect?
A. Connect correctly.
Q. Is throttle valve adjustment incorrect?
A. Have serviced by a Yamaha dealer.
Q. Is battery cable disconnected?
A. Connect securely.
Alert buzzer sounds or indicator lights.
Q. Is cooling system clogged?
A. Check water intake for restriction.
Q. Is engine oil level low?
A. Fill oil tank with specified engine oil.
Q. Is heat range of spark plug incorrect?
A. Inspect spark plug and replace it with recommended type.
Q. Is specified engine oil not being used?
A. Check and replace oil with specified type.
Q. Is engine oil contaminated or deteriorated?
A. Replace oil with fresh, specified type.
Q. Is oil filter clogged?
A. Have serviced by a Yamaha dealer.
Q. Has oil feed/injection pump malfunctioned?
A. Have serviced by a Yamaha dealer.
82
Trouble Recovery
Q. Is load on boat improperly distributed?
A. Distribute load to place boat on an even
plane.
Q. Is water pump or thermostat faulty?
A. Have serviced by a Yamaha dealer.
Q. Is there excess water in fuel filter cup?
A. Drain filter cup.
Engine power loss.
Q. Is propeller damaged?
A. Have propeller repaired or replaced.
Q. Is propeller pitch or diameter incorrect?
A. Install correct propeller to operate outboard
at its recommended speed (r/min) range.
Q. Is trim angle incorrect?
A. Adjust trim angle to achieve most efficient
operation.
Q. Is motor mounted at incorrect height on
transom?
A. Have motor adjusted to proper transom
height.
Q. Has alert system activated?
A. Find and correct cause of alert.
Q. Is boat bottom fouled with marine growth?
A. Clean boat bottom.
Q. Are spark plug(s) fouled or of incorrect
type?
A. Inspect spark plug(s). Clean or replace with
recommended type.
Q. Are weeds or other foreign matter tangled
on gear housing?
A. Remove foreign matter and clean lower
unit.
Q. Is fuel system obstructed?
A. Check for pinched or kinked fuel line or other obstructions in fuel system.
Q. Is fuel filter clogged?
A. Clean or replace filter.
Q. Is fuel contaminated or stale?
A. Fill tank with clean, fresh fuel.
Q. Is spark plug gap incorrect?
A. Inspect and adjust as specified.
Q. Is ignition wiring damaged or poorly connected?
A. Check wires for wear or breaks. Tighten all
loose connections. Replace worn or broken
wires.
Q. Have electrical parts failed?
A. Have serviced by a Yamaha dealer.
Q. Is specified fuel not being used?
A. Replace fuel with specified type.
Q. Is specified engine oil not being used?
A. Check and replace oil with specified type.
Q. Is thermostat faulty or clogged?
A. Have serviced by a Yamaha dealer.
Q. Is air vent screw closed?
A. Open the air vent screw.
Q. Is fuel pump damaged?
A. Have serviced by a Yamaha dealer.
Q. Is fuel joint connection incorrect?
83
Trouble Recovery
A. Connect correctly.
Q. Is heat range of spark plug incorrect?
A. Inspect spark plug and replace it with recommended type.
Q. Is high pressure fuel pump drive belt broken?
A. Have serviced by a Yamaha dealer.
Q. Is engine not responding properly to shift
lever position?
A. Have serviced by a Yamaha dealer.
Engine vibrates excessively.
Q. Is propeller damaged?
A. Have propeller repaired or replaced.
Q. Is propeller shaft damaged?
A. Have serviced by a Yamaha dealer.
Q. Are weeds or other foreign matter tangled
on propeller?
A. Remove and clean propeller.
Q. Is motor mounting bolt loose?
A. Tighten bolt.
Q. Is steering pivot loose or damaged?
A. Tighten or have serviced by a Yamaha
dealer.
EMU29433
Temporary action in emergency
EMU29441
Impact damage
EWM00870
WARNING
The outboard motor can be seriously damaged by a collision while operating or
trailering. Damage could make the outboard motor unsafe to operate.
If the outboard motor hits an object in the water, follow the procedure below.
1. Stop the engine immediately.
2. Check the control system and all components for damage. Also, check the boat
for damage.
3. Whether damage is found or not, return
to the nearest harbor slowly and carefully.
4. Have a Yamaha dealer check the outboard motor before operating it again.
EMU29453
Running single engine (twin engines)
When using only one engine in an emergency, be sure to keep the unused one tilted up
and operate the other engine at low speed.
ECM00370
NOTICE
If the boat is operated with one engine in
the water but not running, water may run
into the exhaust pipe due to wave action,
causing engine trouble.
84
Trouble Recovery
T
IP:
When you are maneuvering at low speed,
such as near a dock, it is recommended that
both engines be running with one in neutral
gear if possible.
EMU29474
Replacing fuse
If a fuse has blown, remove the electrical cover, open the fuse holder and remove the fuse
with a fuse puller (if equipped). Replace it with
a spare one of the proper amperage.
EWM00631
WARNING
Substituting an incorrect fuse or a piece of
wire could allow excessive current flow.
This could cause electric system damage
and a fire hazard.
1. Electrical cover
2. Fuse puller
3. Spare fuse (10 A, 15 A, 20 A, 30 A, 60 A)
Consult your Yamaha dealer if the new fuse
immediately blows again.
85
1. Electric throttle valve / ECM (Electronic control module) fuse (10 A)
2. Ignition coil / Fuel injector / Variable camshaft timing / ECM (Electronic Control Module) fuse (30 A)
3. Main switch / PTT switch fuse (20 A)
4. Starter relay fuse (30 A)
5. Fuel feed pump fuse (10 A)
6. Fuel pump fuse (15 A)
Trouble Recovery
7. Engine main fuse (60 A)
8. Isolator fuse (60 A)
EMU29525
Power trim and tilt will not operate
If the engine cannot be tilted up or down with
the power trim and tilt because of a discharged battery or a failure with the power
trim and tilt unit, the engine can be tilted manually.
1. Loosen the manual valve screw by turning it counterclockwise until it stops.
F200C, FL200C, F225B, FL225B, F250A,
FL250A
1
ZMU07386
1. Manual valve screw
F225C
EMU37571
Water separator-alert indicator blinks
while cruising
EWM01500
WARNING
Gasoline is highly flammable, and its vapors are flammable and explosive.
● Do not perform this procedure on a hot
or running engine. Allow the engine to
cool.
● There will be fuel in the fuel filter. Keep
away from sparks, cigarettes, flames or
other sources of ignition.
● This procedure will allow some fuel to
spill. Catch fuel in a rag. Wipe up any
spilled fuel immediately.
● The fuel filter must be reassembled
carefully with the O-ring, filter cup, and
hoses in place. Improper assembly or
replacement could result in a fuel leak,
which could result in a fire or explosion
hazard.
If the water separator-alert indicator on the
6Y8 Multifunction tachometer blinks, perform
the following procedure.
1
ZMU03464
1. Manual valve screw
2. Put the engine in the desired position,
then tighten the manual valve screw by
turning it clockwise.
1. Water separator-alert indicator
1. Stop the engine.
2. Remove the top cowling.
3. Remove the holder.
86
Trouble Recovery
1. Holder
4. Disconnect the water detection switch
coupler. NOTICE: Be careful not to get
any water on the water detection
switch coupler, otherwise a malfunction could occur.
[ECM01950]
1
2
ZMU07550
1. Filter cup
2. Water detection switch lead
6. Drain the water in the filter cup by soaking
it up with a rag.
7. Firmly screw the filter cup onto the filter
housing. NOTICE: Be careful not to
twist the water detection switch lead
when screwing the filter cup onto the
filter housing.
8. Connect the water detection switch coupler securely until a click is heard.
[ECM01970]
1. Water detection switch coupler
5. Unscrew the filter cup from the filter housing. NOTICE: Be careful not to twist the
water detection switch lead when unscrewing the filter cup.
[ECM01960]
87
1. Water detection switch coupler
9. Fasten the water detection switch lead
with the holder.
1. Holder
10. Install the top cowling.
11. Start the engine and make sure that the
water separator-alert indicator remains
off. Have a Yamaha dealer inspect the
outboard motor after returning to port.
EMU33501
Treatment of submerged motor
If the outboard motor is submerged, immediately take it to a Yamaha dealer. Otherwise
some corrosion may begin almost immediately. NOTICE: Do not attempt to run the out-
board motor until it has been completely
inspected.
[ECM00401]
Trouble Recovery
88
Printed in Japan
December 2012–0.1 × 1 CR
Printed on recycled paper
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