Yamaha F115B, FL115B, F115B1, FL115B1 User Manual
OWNER’S MANUAL
Read this manual carefully before operating this
outboard motor.
F115B
FL115B
F115B1
FL115B1
6EK-28199-70-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
WARNING
NOTICE
TIP:
TIP:
EMU25108
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.
EWM00782
A WARNING indicates a hazardous situation which, if not avoided, could result in
death or serious injury.
ECM00702
A NOTICE indicates special precautions
that must be taken to avoid damage to the
outboard motor or other property.
between 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.
The F115BET, FL115BET, F115BET1,
FL115BET1 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.
EMU25122
A TIP provides key information to make procedures easier or clearer.
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
F115B, FL115B, F115B1, FL115B1
OWNER’S MANUAL
©2013 by Yamaha Motor Co., Ltd.
1st Edition, December 2013
All rights reserved.
Any reprinting or unauthorized use
without the written permission of
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 ............................................. 2
Gasoline exposure and spills ............. 2
Carbon monoxide .............................. 2
Modifications...................................... 2
Boating safety ................................. 2
Alcohol and drugs.............................. 2
Personal flotation devices (PFDs) ...... 2
People in the water ............................ 2
Passengers......................................... 2
Overloading........................................ 2
Avoid collisions .................................. 3
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
C-Tick label ..................................... 5
Read manuals and labels ................ 6
Warning labels ................................... 6
Specifications and requirements..... 9
Specifications.................................. 9
Installation requirements............... 10
Boat horsepower rating.................... 10
Mounting outboard motor................ 10
Yamaha Security System
(if equipped).................................. 10
Remote control requirements ....... 11
Battery requirements .................... 11
Battery specifications....................... 11
Mounting battery.............................. 11
Propeller selection ........................ 11
Counter rotation models .................. 12
Start-in-gear protection ................ 12
Engine oil requirements ................ 12
Fuel requirements ......................... 13
Gasoline ........................................... 13
Anti-fouling paint .......................... 13
Outboard motor disposal
requirements.............................. 14
Emergency equipment.................. 14
Emission control information ........ 14
Star labels ........................................ 15
Components .................................... 17
Components diagram ................... 17
Remote control transmitter
(if equipped) .................................. 20
Receiver (if equipped)....................... 20
Yamaha Security System lock and
unlock mode (if equipped) ............ 20
Remote control box.......................... 21
Remote control lever........................ 21
Neutral interlock trigger.................... 22
Neutral throttle lever......................... 22
Free accelerator ............................... 22
Tiller handle ..................................... 23
Gear shift lever ................................ 23
Throttle grip ..................................... 23
Throttle indicator ............................. 23
Throttle friction adjuster ................... 24
Engine shut-off cord (lanyard) and
clip ................................................ 24
Engine stop button .......................... 25
Main switch ...................................... 26
Steering friction adjuster ................. 26
Power trim and tilt switch on remote
control or tiller handle................... 27
Power trim and tilt switch on bottom
cowling.......................................... 27
Table of contents
Power trim and tilt switches (twin
binnacle type) ............................... 28
Variable trolling RPM switches......... 28
Trim tab with anode ......................... 28
Tilt support lever for power trim and
tilt model ....................................... 29
Cowling lock lever............................ 29
Flushing device ................................ 30
Fuel filter........................................... 30
Alert indicator .................................. 30
Instruments and indicators ............31
Indicators ..................................... 31
Low oil pressure-alert indicator........ 31
Overheat-alert indicator ................... 31
Digital tachometer ......................... 31
Tachometer ...................................... 31
Trim meter........................................ 32
Hour meter ....................................... 32
Low oil pressure-alert indicator........ 32
Overheat-alert indicator ................... 32
Digital speedometer ...................... 33
Speedometer.................................... 33
Fuel gauge........................................ 33
Trip meter / Clock / Voltmeter.......... 34
Fuel level-alert indicator ................... 34
Low battery voltage-alert
indicator........................................ 35
Fuel management meter ............... 35
Fuel flow meter................................. 35
Fuel consumption meter /
Fuel economy meter / Twin engine
speed synchronizer....................... 36
Water separator-alert indicator ........ 37
6Y8 Multifunction meters .............. 38
6Y8 Multifunction tachometers ..... 38
Start-up checks................................ 39
Yamaha Security System
information (if equipped)............... 39
Low oil pressure-alert....................... 40
Overheat alert................................... 40
Water separator alert........................ 41
Engine trouble alert.......................... 41
Low battery voltage-alert ................. 41
6Y8 Multifunction speed &
fuel meters ................................. 42
6Y8 Multifunction
speedometers............................ 43
6Y8 Multifunction fuel
management meters.................. 43
Engine control system.................... 45
Alert system .................................. 45
Overheat alert................................... 45
Low oil pressure alert ....................... 45
Water separator alert........................ 46
Installation ....................................... 48
Installation..................................... 48
Mounting the outboard motor .......... 48
Operation ......................................... 50
First-time operation ...................... 50
Fill engine oil..................................... 50
Breaking in engine............................ 50
Getting to know your boat ............... 50
Checks before starting engine...... 50
Fuel level .......................................... 51
Removing top cowling...................... 51
Fuel system ...................................... 51
Controls............................................ 52
Engine shut-off cord (lanyard) .......... 52
Engine oil.......................................... 52
Outboard motor................................ 53
Flushing device ................................ 53
Install cowling................................... 53
Power trim and tilt system................ 54
Battery.............................................. 54
Filling fuel ..................................... 54
Operating engine .......................... 55
Sending fuel ..................................... 55
Starting engine ................................. 55
Checks after starting engine......... 59
Cooling water ................................... 59
Warming up engine....................... 60
Procedure for warming up engine.... 60
Table of contents
Checks after engine warm up ....... 60
Shifting ............................................. 60
Stop switches................................... 60
Shifting .......................................... 60
Stopping boat ............................... 62
Trolling .......................................... 62
Adjusting trolling speed.................... 62
Stopping engine ............................ 63
Procedure......................................... 63
Trimming outboard motor ............. 64
Adjusting trim angle (Power trim
and tilt) .......................................... 64
Adjusting boat trim........................... 65
Tilting up and down ...................... 66
Procedure for tilting up (power trim
and tilt models) ............................. 66
Procedure for tilting down................ 68
Shallow water ............................... 69
Cruising in shallow water ................. 69
Operating in other conditions ....... 70
Maintenance .................................... 71
Transporting and storing outboard
motor.......................................... 71
Storing outboard motor.................... 71
Procedure......................................... 72
Lubrication ....................................... 73
Flushing cooling water passage....... 73
Cleaning the outboard motor........... 74
Checking painted surface of
outboard motor............................. 74
Periodic maintenance ................... 74
Replacement parts........................... 75
Severe operating conditions ............ 75
Maintenance chart 1 ........................ 76
Maintenance chart 2 ........................ 78
Greasing........................................... 79
Inspecting spark plug....................... 80
Inspecting idle speed....................... 81
Changing engine oil.......................... 81
Inspecting wiring and connectors.... 84
Checking propeller........................... 84
Removing propeller.......................... 85
Installing propeller............................ 85
Changing gear oil ............................. 86
Inspecting and replacing anode(s) ... 88
Checking battery (for electric start
models) ......................................... 88
Connecting the battery..................... 89
Disconnecting the battery ................ 89
Storing the battery............................ 89
Trouble Recovery............................ 90
Troubleshooting............................ 90
Temporary action in emergency... 93
Impact damage ................................ 93
Running single engine
(twin engines)................................ 94
Replacing fuse.................................. 94
Power trim and tilt unit will not
operate.......................................... 95
Water separator-alert is activated
after leaving port........................... 95
Treatment of submerged motor.... 97
INDEX ............................................... 98
Safety information
EMU33623
Outboard motor safety
Observe these precautions at all times.
EMU36502
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
water near you.
Keep people out of reach of the propeller,
even when the engine is off.
EMU40272
Rotating parts
Hands, feet, hair, jewelry, clothing, personal
flotation device (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 top cowling with the engine running.
Only operate the engine with the top 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.
EMU33641
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.
EMU33651
Electric shock
Do not touch any electrical parts while starting or operating the engine. They can cause
shock or electrocution.
EMU33661
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.
EMU33672
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.
1
Safety information
EMU33811
Gasoline
Gasoline and its vapors are highly flammable and explosive. Always, refuel according
to the procedure on page 55 to reduce the
risk of fire and explosion.
EMU33821
Gasoline exposure and spills
Take care not to spill gasoline. If gasoline
spills, wipe it up immediately with dry rags.
Dispose of rags properly.
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.
EMU33901
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.
EMU33781
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.
EMU33741
Boating safety
This section includes a few of the many important safety precautions that you should
follow when boating.
EMU33711
Alcohol and drugs
Never operate after drinking alcohol or taking
drugs. Intoxication is one of the most common factors contributing to boating fatalities.
EMU40281
Personal flotation devices (PFDs)
Have an approved 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.
EMU33732
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.
EMU33752
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.
EMU33762
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 manufacturer’s instruc-
2
Safety information
ZMU06025
tions. Overloading or incorrect weight
distribution can compromise the boats handling and lead to an accident, capsizing or
swamping.
EMU33773
Avoid collisions
Scan constantly for people, objects, and other boats. Be alert for conditions that limit your
visibility or block your vision of others.
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 aggres-
sive 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.
EMU33791
Weather
Stay informed about the weather. Check
weather forecasts before boating. Avoid
boating in hazardous weather.
EMU33881
Passenger training
Make sure at least one other passenger is
trained to operate the boat in the event of an
emergency.
EMU33891
Boating safety publications
Be informed about boating safety. Additional
publications and information can be obtained
from many boating organizations.
EMU33601
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
General information
1
ZMU07793
EMU25172
Identification numbers record
EMU25185
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
EMU25192
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.
1. Key number
EMU37292
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
EMU25207
CE Marking
Outboard motors affixed with this “CE”marking conform with the directives of;
2006/42/EC, 94/25/EC - 2003/44/EC and
2004/108/EC.
4
1. CE marking location
1
ZMU08137
ZMU06040
1
ZMU08066
ZMU01697
EMU25215
C-Tick label
Engines affixed with this label conform to certain portion(s) of the Australian Radio Communications Act.
General information
1. C-Tick label location
5
General information
1
3
2
ZMU08067
EMU33524
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.
EMU33834
Warning labels
If these labels are damaged or missing, contact your Yamaha dealer for replacements.
6
General information
WARNING
WARNING
1
2
ZMU06191
3
ZMU05710
EMU34652
Contents of labels
The above warning labels mean as follows.
1
EWM01682
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
EWM01672
Read Owner’s Manuals and labels.
Wear an approved personal flotation de-
vice (PFD).
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.
EMU33851
Other labels
7
General information
ZMU05696
ZMU05664
ZMU05665
ZMU05666
EMU35133
Symbols
The following symbols mean as follows.
Notice/Warning
Read Owner’s Manual
Electrical hazard
Hazard caused by continuous rotation
8
Specifications and requirements
TIP:
EMU40501
Specifications
“(SUS)” indicates that the specification is for
the outboard motor when it is equipped with
a stainless steel propeller.
EMU2821U
Dimension and weight:
Overall length:
826 mm (32.5 in)
Overall width:
522 mm (20.6 in)
Overall height L:
F115BET 1629 mm (64.1 in)
F115BET1 1629 mm (64.1 in)
Overall height X:
1756 mm (69.1 in)
Motor transom height L:
F115BET 516 mm (20.3 in)
F115BET1 516 mm (20.3 in)
Motor transom height X:
643 mm (25.3 in)
Dry weight (SUS) L:
F115BET 175 kg (386 lb)
F115BET1 175 kg (386 lb)
Dry weight (SUS) X:
179 kg (395 lb)
Performance:
Full throttle operating range:
5300–6300 r/min
Rated power:
84.6 kW (115 HP)
Idle speed (in neutral):
650–750 r/min
Power unit:
Type:
4-stroke DOHC L4 16 valves
Total displacement:
1832 cm³ (111.8 c.i.)
Bore × stroke:
81.0 × 88.9 mm (3.19 × 3.50 in)
Ignition system:
TCI
Spark plug (NGK):
LKR6E
Spark plug gap:
0.8–0.9 mm (0.031–0.035 in)
Steering system:
Remote steering
Starting system:
Electric starter
Starting carburetion system:
Fuel injection
Valve clearance IN (cold engine):
0.17–0.24 mm (0.0067–0.0094 in)
Valve clearance EX (cold engine):
0.31–0.38 mm (0.0122–0.0150 in)
Cold cranking amps (CCA/EN):
430–1080 A
Min. rated capacity (20HR/IEC):
70 Ah
Maximum generator output:
35 A
Lower unit:
Gear shift positions:
Forward-neutral-reverse
Gear ratio:
2.15 (28/13)
Trim and tilt system:
Power trim and tilt
Propeller mark:
F115BET K
F115BET1 K
FL115BET KL
FL115BET1 KL
Fuel and oil:
Recommended fuel:
Regular unleaded gasoline
Min. research octane number (RON):
90
9
Specifications and requirements
WARNING
WARNING
NOTICE
Recommended engine oil:
YAMALUBE 4 or 4-stroke outboard
motor oil
Recommended engine oil grade 1:
SAE 10W-30/10W-40/5W-30
API SG/SH/SJ/SL
Engine oil quantity (without oil filter
replacement):
3.0 L (3.17 US qt, 2.64 Imp.qt)
Engine oil quantity (with oil filter
replacement):
3.2 L (3.38 US qt, 2.82 Imp.qt)
Lubrication system:
Wet sump
Recommended gear oil:
YAMALUBE outboard gear oil or Hypoid
gear oil
Recommended gear oil grade:
SAE 90 API GL-4 / SAE 80W API GL-5 /
SAE 90 API GL-5
Gear oil quantity:
F115BET 0.760 L (0.803 US qt,
0.669 Imp.qt)
F115BET1 0.760 L (0.803 US qt,
0.669 Imp.qt)
FL115BET 0.715 L (0.756 US qt,
0.629 Imp.qt)
FL115BET1 0.715 L (0.756 US qt,
0.629 Imp.qt)
Tightening torque:
Spark plug:
25 Nm (2.55 kgf-m, 18.4 ft-lb)
Propeller nut:
54 Nm (5.51 kgf-m, 39.8 ft-lb)
Engine oil drain bolt:
27 Nm (2.75 kgf-m, 19.9 ft-lb)
Engine oil filter:
18 Nm (1.84 kgf-m, 13.3 ft-lb)
Noise and vibration level:
Operator sound pressure level (ICOMIA
39/94):
83.6 dB(A)
EMU33555
Installation requirements
EMU33565
Boat horsepower rating
EWM01561
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.
EMU40491
Mounting outboard motor
EWM02501
Improper mounting of the outboard mo-
tor could result in hazardous conditions
such as poor handling, loss of control,
or fire hazards.
Because the outboard motor is very
heavy, special equipment and training is
required to mount it safely.
Your dealer or other person experienced in
proper rigging should mount the outboard
motor using correct equipment and complete
rigging instructions. For further information,
see page 48.
EMU41593
Yamaha Security System (if equipped)
ECM02461
The Yamaha Security System is sold in
conformity with the relevant laws and regulations regarding radio wave transmission. Therefore, if this product is used
outside the country where it was sold, it
10
Specifications and requirements
WARNING
ZMU07305
may violate the laws or regulations regarding radio wave transmission in the
country it is used in. For details, consult
your Yamaha dealer.
The outboard motor with this label is
equipped with the Yamaha Security System
to protect against theft, which consists of the
receiver and remote control transmitter. The
engine can not be started if the security system is in the lock mode, and only be started
in the unlock mode. Consult your Yamaha
dealer for installation of the receiver.
EMU33582
Remote control requirements
EWM01581
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.
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.
EMU25695
Battery requirements
EMU25723
Battery specifications
Cold cranking amps (CCA/EN):
430–1080 A
Min. rated capacity (20HR/IEC):
70 Ah
The engine cannot be started if battery voltage is too low.
EMU36291
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.
[EWM01821]
EMU34196
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 outboard motor came with a Yamaha
propeller selected to perform well over a
range of applications, but there may be uses
where a different propeller would be more
appropriate.
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
11
Specifications and requirements
ZMU04606
-
x
123
ZMU08143
122˚F
50˚C
104
40
86
30
68
SAE API
SG
SH
SJ
SL
20
50
10
32
0
14
-10
-4
-20
10W–30
10W–40
5W–30
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.
To check the propeller, see page 84.
1. Propeller diameter in inches
2. Propeller pitch in inches
3. Type of propeller (propeller mark)
EMU36313
Counter rotation models
Standard outboard motors rotate clockwise.
Counter rotation models rotate counterclockwise and are typically used in multiple motor
setups.
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
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.
For instructions on propeller removal and installation, see page 85.
12
EMU25771
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.
EMU41953
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:
YAMALUBE 4 or 4-stroke outboard
motor oil
Recommended engine oil grade 1:
SAE 10W-30/10W-40/5W-30
API SG/SH/SJ/SL
Recommended engine oil grade 2:
SAE 15W-40/20W-40/20W-50
API SH/SJ/SL
Engine oil quantity (without oil filter
replacement):
3.0 L (3.17 US qt, 2.64 Imp.qt)
Engine oil quantity (with oil filter replacement):
3.2 L (3.38 US qt, 2.82 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
[EWM01811]
Specifications and requirements
NOTICE
ZMU06855
122˚F
50˚C
104
40
86
30
68
SAE API
SH
SJ
SL
20
50
10
32
0
14
-10
-4
-20
15W–40
20W–40
20W–50
Recommended engine oil grade 2
EMU36361
Fuel requirements
EMU40202
Gasoline
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 fuel:
Regular unleaded gasoline
Min. research octane number (RON):
90
ECM01982
Do not use leaded gasoline. Leaded
gasoline 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.
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.
EMU36331
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.
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
13
Specifications and requirements
1
ZMU08070
ZMU06895
EMISSION CONTROL INFORMATION MFI
THIS ENGINE CONFORMS TO CALIFORNIA AND U.S. EPA EXHAUST
REGULATIONS FOR SI MARINE ENGINES. REFER TO THE OWNER'S
MANUAL FOR MAINTENANCE SPECIFICATIONS AND ADJUSTMENTS.
MEETS U.S. EPA EVAP STANDARDS USING CERTIFIED COMPONENTS.
FAMILY:
DISPLACEMENT: liters
SPARK PLUG:
FUEL: GASOLINE
FELs(HC+NOx / CO)
: / g/kW-hr MAX POWER: kW
IDLE SPEED: ± rpm IN NEUTRAL
SPARK PLUG GAP (mm):
VALVE LASH (mm) IN: EX:
YAMAHA MOTOR CO.,LTD.
INFORMATION ANTIPOLLUTION MFI
CE MOTEUR EST CONFORME AUX NORMES D’ÉMISSIONS EPA DES É.-U. ET DE LA
CALIFORNIE POUR MOTEURS MARINS À ÉTINCELLE. POUR LES SPÉCIFICATIONS ET LES
RÉGLAGES À EFFECTUER, CONSULTEZ LE MANUEL DU PROPRIÉTAIRE. INSTALLÉ AVEC
LES COMPOSANTS HOMOLOGUÉS, IL SATISFAIT AUX NORMES EVAP EPA DES É.-U.
YAMAHA MOTOR CO.,LTD.
FAMILLE :
CYLINDRÉE : litre
BOUGIE :
CARBURANT : ESSENCE
FELs(HC+NOx / CO)
: / g/kW-h PUISS. MAX. : kW
RALENTI : ± tr/mm AU POINT MORT
BOUGIE-ÉCARTEMENT (mm) :
JEU DE SOUPAPES (mm) ADM: ÉCH:
1
ZMU08071
EMU40302
Outboard motor disposal re-
quirements
Never illegally discard (dump) the outboard
motor. Yamaha recommends consulting the
dealer about discarding the outboard motor.
EMU36353
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.
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.
EMU39001
Emission control information
The following labels are affixed to outboard
motors that conform to US regulations.
EMU25232
1. Approval label location
This engine conforms to U.S. Environmental
Protection Agency (EPA) regulations for marine SI engines. See the label affixed to your
engine for details.
EMU31562
Approval label of emission control certificate
This label is attached to the bottom cowling.
New Technology; (4-stroke) MFI
14
EMU39202
Manufactured date label
This label is attached to the clamp bracket.
1. Manufactured date label location
Specifications and requirements
Manufactured:
ZMU04346
1
ZMU08072
ZMU01702
ZMU01703
EMU25275
Star labels
Your outboard motor is labeled with a California Air Resources Board (CARB) star label.
See below for a description of your particular
label.
1. Star labels location
EMU40331
One Star—Low Emission
The one-star label identifies engines that
meet the Air Resources Board’s Personal
Watercraft and Outboard marine engine 2001
exhaust emission standards. Engines meeting these standards have 75% lower emissions than conventional carbureted twostroke engines. These engines are equivalent
to the U.S. EPA’s 2006 standards for marine
engines.
EMU40341
Two Stars—Very Low Emission
The two-star label identifies engines that
meet the Air Resources Board’s Personal
Watercraft and Outboard marine engine 2004
exhaust emission standards. Engines meeting these standards have 20% lower emissions than One Star-Low-Emission engines.
EMU40351
Three Stars—Ultra Low Emission
The three-star label identifies engines that
meet the Air Resources Board’s Personal
Watercraft and Outboard marine engine 2008
exhaust emission standards or the Sterndrive
and Inboard marine engine 2003-2008 exhaust emission standards. Engines meeting
these standards have 65% lower emissions
than One Star-Low-Emission engines.
15
Specifications and requirements
ZMU01704
ZMU05663
EMU33862
Four Stars—Super Ultra Low Emission
The four-star label identifies engines that
meet the Air Resources Board’s Sterndrive
and Inboard marine engine 2009 exhaust
emission standards. Personal Watercraft and
Outboard marine engines may also comply
with these standards. Engines meeting these
standards have 90% lower emissions than
One Star-Low-Emission engines.
16
Components
TIP:
1
2
3
4
5
6
10
11
12
8
9
7
ZMU08073
EMU2579Z
Components diagram
* May not be exactly as shown; also may not be included as standard equipment on all models
(order from dealer).
1. Top cowling
2. Cowling lock lever
3. Power trim and tilt unit
4. Clamp bracket
5. Anode
6. Cooling water inlet
7. Propeller*
8. Trim tab (anode)
9. Anti-cavitation plate
10.Flushing device
11.Power trim and tilt switch
12.Fuse box
17
Components
7
1
2
3
4
5
8
9
6
ZMU08074
1. Oil filler cap
2. Cowling lock lever
3. Fuel filter
4. Cooling water pilot hole
5. Drain screw
6. Gear oil drain screw
7. Cooling water inlet
8. Oil level plug
9. Oil dipstick
18
Components
TRIP TIME BATT
Km/h
knot
mph
km
mile
SPEED
YAMAHA
set
mode
SET MODE
SET MODE
1
76
245
8
12 1411
9
13
3
1615
10
17
ZMU08138
1. Remote control box (side mount type)*
2. Remote control box (binnacle mount type)*
3. Remote control box (binnacle mount type)*
4. Switch panel (for use with binnacle type)*
5. Switch panel (for use with binnacle type)*
6. Digital tachometer*
7. Digital speedometer*
8. Fuel management meter*
9. Tachometer unit (Square type)*
10.Tachometer unit (Round type)*
11.Speedometer unit (Square type)*
12.Speed & fuel meter unit (Square type)*
13.Speed & fuel meter unit (Round type)*
14.Fuel management meter unit (Square type)*
15.Remote control transmitter*
16.Receiver*
17.Tiller handle*
19
Components
NOTICE
TIP:
ZMU06455
EMU38593
Remote control transmitter (if
equipped)
The lock and unlock modes of the Yamaha
Security System are selected using the remote control transmitter. While the engine is
running, input from the remote control transmitter is not received.
Store the remote control transmitter carefully
so it will not be lost.
ECM02101
The remote control transmitter is not
completely waterproof. Do not submerge the transmitter or operate it underwater. If the transmitter is
submerged, dry it with a soft, dry cloth,
and then check that it is operating properly. If the transmitter is not operating
properly, contact a Yamaha dealer.
Keep the remote control transmitter
away from high temperatures and do
not place it in direct sunlight.
Do not drop the remote control trans-
mitter, subject it to strong shocks, or
place any heavy items on it.
Use a soft, dry cloth to clean the remote
control transmitter. Do not use detergent, alcohol, or other chemicals.
Do not attempt to disassemble the re-
mote control transmitter yourself. Otherwise, the transmitter may not operate
properly. If the transmitter needs a new
battery, contact a Yamaha dealer.
If you have lost the remote control trans-
mitter, consult your Yamaha dealer.
Keep the least 2 transmitters at all the
time. If you have lost both transmitters,
consult your Yamaha dealer.
Since the receiver is programmed to rec-
ognize the internal code from this transmitter only, the security system setting can
only be changed with this transmitter. If the
remote control transmitter does not operate properly, contact a Yamaha dealer.
Have your Yamaha dealer replace the
transmitter battery after 1 year, and every 2
years thereafter as a standard practice.
Refer to local hazardous waste regulations
when disposing of transmitter batteries.
The Yamaha Security System permits reg-
istration of up to 5 remote control transmitters. It is recommended that you have at
least 2 transmitters at all times in case one
is lost or damaged. Consult your Yamaha
dealer for details.
EMU38603
Receiver (if equipped)
The receiver controls the ECM (Electronic
Control Module) to prevent the engine from
starting. Consult your Yamaha dealer for installation of the receiver.
EMU38613
Yamaha Security System lock and unlock mode (if equipped)
The Yamaha Security System settings are selected by pressing the lock or unlock button
on the remote control transmitter briefly.
20
Components
12
ZMU06456
2
3
2
1
4
ZMU04569
1. Lock button
2. Unlock button
LOCK
When the lock button on the remote control
transmitter is pressed briefly, the beeper
sounds once. This indicates the lock mode is
selected and the engine cannot be started.
The lock mode is selected only when the
main switch is in the “ ” (off) position. The
engine cranks but cannot be started while the
Yamaha Security System is in the lock mode.
UNLOCK
When the unlock button on the remote control transmitter is pressed briefly, the beeper
sounds twice. This indicates the unlock mode
is selected and the engine can be started.
Yam ah a
Security
System
mode
Lock 1 beep “ ” NO
Unlock 2 beeps
EMU26182
Number
of beeps
Main
switch
“”/
“”
Engine
can be
started
YES
Remote control box
The remote control lever actuates both the
shifter and the throttle. The electrical switches are mounted on the remote control box.
1. Power trim and tilt switch
2. Remote control lever
3. Neutral interlock trigger
4. Neutral throttle lever
5. Main switch
6. Engine shut-off switch
7. Throttle friction adjuster
1. Remote control lever
2. Power trim and tilt switch
3. Free accelerator
4. Throttle friction adjuster
EMU26191
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.
21
Components
TIP:
N
1
F
7
6
2
R
3
4
4
6
5
7
5
ZMU04573
1. Neutral “ ”
2. Forward “ ”
3. Reverse “ ”
4. Shift
5. Fully closed
6. Throttle
7. Fully open
1. Neutral “ ”
2. Forward “ ”
3. Reverse “ ”
4. Shift
5. Fully closed
6. Throttle
7. Fully open
EMU26202
Neutral interlock trigger
To shift out of neutral, first pull the neutral interlock trigger up.
1. Neutral interlock trigger
EMU26213
Neutral throttle lever
To open the throttle without shifting into either forward or reverse, put the remote control lever in the neutral position and lift the
neutral throttle lever.
1. Fully open
2. Fully closed
The neutral throttle lever will operate only
when the remote control lever is in neutral.
The remote control lever will operate only
when the neutral throttle lever is in the closed
position.
EMU26234
Free accelerator
To open the throttle without shifting into either forward or reverse, push the free accelerator button and move the remote control
lever.
22
TIP:
1. Fully open
1
3
2
ZMU04575
2. Fully closed
3. Free accelerator
Components
EMU25925
Gear shift lever
Move the gear shift lever forward to engage
the forward gear or rearward to engage the
reverse gear.
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 automatically to its set position. The remote
control will then engage forward and reverse normally.
EMU25914
Tiller handle
To change direction, move the tiller handle to
the left or right as necessary.
1. Forward “ ”
2. Neutral “ ”
3. Reverse “ ”
EMU25943
Throttle grip
The throttle grip is on the tiller handle. Turn
the grip counterclockwise to increase speed
and clockwise to decrease speed.
EMU25963
Throttle indicator
The fuel consumption curve on the throttle indicator shows the relative amount of fuel consumed for each throttle position. Choose the
setting that offers the best performance and
fuel economy for the desired operation.
23
Components
ZMU04646
1. Throttle indicator
EMU25977
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.
[EWM00033]
When constant speed is desired, tighten the
adjuster to maintain the desired throttle setting.
EMU25996
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.
24
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