Keep this owner’s manual handy, so you can refer to it at any time.
I
This owner’s manual is considered a permanent part of the outboard motor
and should remain with the outboard motor if resold.
The information and specifications included in this publication were in effect
at the time of approval for printing. Honda Motor Co., Ltd. reserves the right,
however, to discontinue or change specifications or design at any time without
notice and without incurring any obligation whatever. No part of this publication may be reproduced without written permission.
INTRODUCTION
Congratulations on your selection of a Honda outboard motor. We are certain
you will be pleased with your purchase of one of the finest outboard motors on
the market.
We want to help you get the best results from your new outboard motor and
to operate it safely. This manual contains the information on how to do that;
please read it carefully.
As you read this manual, you will find information preceded by a m
symbol. That information is intended to help you avoid damage to your
outboard motor, other property, or the environment.
We suggest you read the warranty policy to fully understand its coverage and
your responsibilities of ownership. The warranty policy is a separate document
that should have been given to you by your dealer.
When your outboard motor needs scheduled maintenance, keep in mind that
your Honda servicing dealer is specially trained in servicing Honda outboard
motors. Your Honda servicing dealer is dedicated to your satisfaction and will
be pleased to answer your questions and concerns.
Best Wishes,
Honda Motor Co., Ltd.
1
INTRODUCTION
A FEW WORDS ABOUT SAFETY
Your safety and the safety of others are very important. And using this
outboard motor safely is an important responsibility.
To help you make informed decisions about safety, we have provided
operating procedures and other information on labels and in this manual. This
information alerts you to potential hazards that could hurt you or others.
Of course, it is not practical or possible to warn you about all the hazards
associated with operating or maintaining a outboard motor. You must use your
own good judgment.
You will find important safety information in a variety of forms, including:
l
Safety Labels - on the outboard motor.
l
Safety Messages- preceded by a safety alert symbol A and one of three
signal words, DANGER, WARNING, or CAUTION.
These signal words mean:
You WILL be KILLED or SERIOUSLY HURT if you
don’t follow instructions.
You CAN be KILLED or SERIOUSLY HURT if you
don’t follow instructions.
You CAN be HURT if you don’t follow instructions.
l
Safety Headings - such as IMPORTANT SAFETY INFORMATION.
l
Safety Section - such as OUTBOARD MOTOR SAFETY.
l
Instructions - how to use this outboard motor correctly and safely.
This entire book is filled with important safety information - please read it
carefully.
2
CONTENTS
OUTBOARD MOTOR SAFETY
IMPORTANT SAFETY INFORMATION
Operator Responsibility
Refuel With Care
Carbon Monoxide Hazard
Honda BF9.9A and BF15A outboard motors are designed for use with boats
that have a suitable manufacturer’s power recommendation, and other uses
can result in injury to the operator or damage to the outboard motor and other
property.
Most accidents can be prevented if you follow all instructions in this manual
and on the outboard motor. The most common hazards are discussed below,
along with the best way to protect yourself and others.
Operator Responsibility
It is the operator’s responsbility to provide the necessary safeguards to
protect people and property. Know how to stop the engine quickly in case
of emergency. Understand the use of all controls.
Stop the engine immediately if anyone falls overboard, and do not run the
engine while the boat is near anyone in the water.
Always stop the engine if you must leave the controls for any reason.
Attach the emergency stop switch lanyard securely to the operator.
Always wear a PERSONAL FLOTATION DEVICE (PFD) while on the boat.
Familiarize yourself with all laws and regulations relating to the boating and
the use of outboard motors.
Be sure that anyone who operates the outboard motor receives proper
instruction.
Be sure the outboard motor is properly mounted on the boat.
Do not remove the engine cover while the engine is running.
Do not attempt to modify the outboard motor.
Do not remove any labels, covers, or safety devices; they are installed for
your safety.
7
OUTBOARD MOTOR SAFETY
8
Refuel With Care
Gasoline is extremely flammable, and gasoline vapor can explode. Refuel
outdoors, in a well-ventilaed area, with the engine stopped. Never smoke
near gasoline, and keep other flames and sparks away.
Remove any portable fuel tank from the boat for refueling. Keep the
portable fuel tank away from the battery or other potential spark sources.
Refuel carefully to avoid spilling fuel. Avoid overfilling the fuel tank.
After refueling, tighten the filler cap securely. If any fuel is spilled, make sure
the area is dry before starting the engine.
Carbon Monoxide Hazard
Exhaust gas contains poisonous carbon monoxide. Avoid inhalation of
exhaust gas. Never run the engine in a closed garage or confined area.
OUTBOARD MOTOR SAFETY
SAFETY LABEL LOCATIONS
The labels shown here contain important safety information. Please read them
carefully. These labels are considered permanent parts of your outboard
motor. If a label comes off or becomes hard to read, contact an authorized
Honda servicing dealer for a replacement.
I DO NOT OPERATE WITH
I CHECK OIL LEVEL BEFORE STARTING.
I FLUSH THE SYSTEM THOROUGHLY WITH FRESH WATER
AITER EACH USE IN SALT WATER.
ENGINE COVER REMOVED.
CONTROLS & FEATURES
COMPONENT & CONTROL LOCATIONS
ENGINE COVER
WATER CHECK HOLE
ENGINE OIL DRAIN PLUG
ANTICAVITATION PLATE
‘Tq
?!i@
STARTER GRIP
/
EMERGENCY STOP SWITCH
LANYARD
I
‘CLAMP SCREW
\
TlLT LEVER
VENT KNOB
FUEL CAP
PRIMING BULB
10
FUEL GAUGE
FUEL HOSE CONNECTOR
THROlTLE GRIP
THROlTLE FRICTION KNOB
TILLER HANDLE
STERN BRACKET
CONTROLS & FEATURES
OIL FILLER CAP
OIL LEVER DIPSTICK
TRANSOM ANGLE
ADJUSTING ROD
GEAR OIL LEVEL PLUG
WATER INTAKE SCREEN
GEAR OIL DRAIN PLUG
OIL PRESSURE INDICATOR LIGHT
ENGINE STOP SWITCH
ENGINE COVER LOCK LEVER
FLUSHING PORT
EXHAUST PORT
CHOKE KNOB
FUEL HOSE CONNECTOR (MALE)
11
CONTROLS & FEATURES
CONTROLS
Engine Stop Switch
The engine stop switch has controls
for normal engine stopping and
emergency engine stopping.
In normal operation, press the engine stop button to stop the engine.
A clip and lanyard system stops the
engine automatically if the operator
falls away from the controls.
The switch clip must be inserted in the engine stop switch in order for the
engine to start and run. The other end of the lanyard attaches to the operator’s
wrist. If the operator falls away from the controls, the lanyard pulls the clip out
of the switch.
Always attach the lanyard to your wrist before operating the outboard motor.
A spare switch clip is supplied with the tool kit.
Choke Knob
Thechokeknobopensandcloses
the choke valve in the carburetor.
The CLOSED position enriches the
fuel mixture for starting.
The OPEN position provides the
correct fuel mixture for operation
after starting, and for restarting a
warm engine.
12
CHOKE KNOB
Throttle Grip
The throttle grip controls engine
speed.
An index mark on the tiller arm
indicates throttle position.
The BF9.9A gearshift mechanism
limits throttle grip movement when
the gearshift lever (p. 14) is in the N
(neutral) position.
The BF15A gearshift mechanism
limits throttle grip movement when
the gearshift lever (p. 14) is in the R
(reverse) or N (neutral) position.
CONTROLS & FEATURES
INDEX MARK
Throttle Friction Knob
The throttle friction knob adjusts
resistance to throttle grip rotation.
Turn the knob clockwise to increase
friction for holding a throttle setting
while cruising.
Turn the knob counterclockwise to
decrease friction for easy throttle
grip rotation.
THROlTLE
FRICTION
KNOB
,
TO INCREASE
TODECREASE
FRICTION
13
CONTROLS & FEATURES
.
Gearshift Lever
The gearshift lever is used to select
F (forward), N (neutral), or R (reverse) gears.
The engine can be started with the
gearshift lever in the N (neutral)
position only.
If the gearshift lever is in the F
(forward) or R (reverse) position,
the recoil starter will not operate,
and the electric starter button (ap-
plicable models) is blocked.
R @ever@
N (neutral)
Recoil Starter Grip
Pull the starter grip to operate the
recoil starter for starting the engine
manually.
Electric Starter Button (models equipped with electric
starter)
Press the starter button to start the
motor.
14
RECOIL STARTER GRIP
ELECTRIC STARTER BUllON
k
Steering Friction Bolt
The steering friction bolt adjusts
steering resistance.
Turn the bolt clockwise to increase
friction for holding a steady course
while cruising or to prevent the out-
board motor from swinging while
trailering the boat.
Turn the bolt counterclockwise to
reduce steering friction.
Tilt Lever
The tilt lever enables the outboard
motor to be raised for shallow water
operation, beaching, launching, or
mooring.
CONTROLS & FEATURES
TODECREASE
m FRICTION
To tilt, move the lever to the TILT
position, then raise the outboard
motor until the tilt mechanism engages at 30”, 45” or 70” (p. 38).
To return the outboard motor to the
normal running position, move the
tilt lever to the RUN position, raise
the outboard motor slightly to disengage the tilt mechanism, then slowly
lower the engine.
15
CONTROLS & FEATURES
16
Transom Angle Adjusting Rod
The transom angle adjusting rod is
used to adjust the angle of the outboard motor in the normal operating
position (see page 21).
To adjust, first tilt the outboard motor, so it is not resting on the rod.
Push the rod in, and turn the end of
the rod up, so the latch will fall into
line with the rod.
\ ’
TRANSOM ANGLE
ADJUSTING ROD
Remove the rod, and reinsert it in
the desired position.
Push the rod in, and turn the end of
the rod down, so the latch will fall to
the locked position. Then release
the rod.
Engine Cover Lock Lever
The engine cover lock lever fastens
the cover to the outboard motor.
To remove the cover, move the
lever to the unlocked position, then
lift off the cover.
To install the cover, position the
cover on the outboard motor, then
move the lever to the locked posi-
tion.
To remove
?‘k
To lock
(unlocked)
.
LATCH
(locked)
ENGINE COVER
LOCK LEVER
Fuel Priming Bulb
A priming bulb is built into the fuel
hose that connects the portable fuel
tank to the outboard motor.
Before operating the outboard motor, squeeze the priming bulb until it
feels firm. This will ensure that fuel
is supplied to the engine (see page
28).
Fuel Cap Vent Knob
CONTROLS & FEATURES
RIMING BULB
VENT KNOB
The cap is provided with a vent
knob to seal the portable fuel tank
for carrying it to and from the boat.
Open the vent knob 2 or 3 turns
before operating the outboard mo-
tor (see page 28).
FEATURES
Fuel Gauge
A fuel gauge is built into the cap of
the portable fuel tank (see page
44).
Oil Prssure Indicator Light
The oil pressure indicator light
should remain lit while the engine is
running. The light indicates that oil
pressure is OK (see page 31).
Water Check Hole
Water should flow from the water
check hole while the engine is run-
ning. This shows that water is circulating through the engine cooling
system (see page 32).
FUEL GAUGE
\
FUEL
TANK
CAP
OIL PRESSURE
INDICATOR LIGHT
WATER
CHECK
HOLE
17
CONTROLS & FEATURES
18
Anode
The anode is a sacrificial material
which helps to protect the outboard
motor from corrosion.
Overrev Limiter
The engine is equipped with an overrev limiter to prevent the possibility of
mechanical damage from excessive engine speed.
The overrev limiter may be activated during operation, limiting engine speed,
if the outoard motor is tilted excessively, or when ventilation occurs during a
sharp turn.
If the overrev limiter is activated, check the height and angle of the outboard
motor.
Excessive tilt angle during operation can cause propeller ventilation, over-
heating, and water pump damage.
INSTALLATION
It is your responsibility to choose a boat suitable for the outboard motor.
Do not exceed the boat manu-
facturer’s power recommendation.
Damage and injury may result.
INSTALLATION POSITION
Install at the stern, at the center line
of the boat.
INSTALLATION HEIGHT
For proper propeller depth and engine cooling, the boat and outboard
motor transom height must match.
Three outboard motor transom
heights are available. Match your
boat’s transom height to the outboard motor transom height shown
below.
STERNCENTER
The anticavitation plate should be 0
- 2 in (0 - 50 mm) below the bottom
of the boat. With the boat in the
water, loaded and motor off, the
anticavitation plate should be about
3.9 in (100 mm) below the surface
of the water.
Running the outboard motor with-
out suff icient cooling water will damage the water pump and overheat
the engine.
ANTlCAVlTATldN PLATE
19
OUTBOARD MOTOR AlTACHMENT
20
Attach the stern bracket to the transom and tighten the clamp screws.
l
Before operating the boat, check
the tightness of the clamp screws.
l
Tie a rope through the hole in the
stem bracket and secure the other
end of the rope to the boat. This
will prevent accidental loss of the
motor.
/
SAFETY ROPE
& SCREW
To prevent the outboard motor from
falling accidentally, you may further
secure the stern bracket to the transom board with commercially available bolts, nuts and washers.
After attaching the stern bracket to
the transom board, be sure to apply
sealant (THREEBOND 1216 or
equivalent) to the bolt holes.
This modification should be made
by your authorized Honda marine
dealer.
STERN
BRACKET WASHER
WAgHER
TRANSOM BOARD
MOTOR ANGLE FOR CRUISING
21
Adjust the motor so the propeller
shaft is parallel with the water surface.
INSTALLATION
INCORRECT -
CAUSES BOAT TO
“SQUAT”
GIVES MAXIMUM
PERFORMANCE
MOTOR ANGLE ADJUSTMENT
If the propeller shaft is not parallel
with the water surface, adjust by
changing the transom angle adjust-
ing rod position.
There are four adjusting stages.
1. Push in (A) the adjusting rod,
twist upwards (B) and pull out to
remove.
2. Inserting the rod in the proper
hole, twist it down to lock.
CAUSES BOAT TO
TRANSOM ANGLE
ADJUSTING ROD
TO CHANGE
INCORRECT ---
“PLOW”
UNLOCKED
POSITION
) NOTICE 1
To prevent damage to the motor or
boat, make sure the transom angle
adjusting bolt is locked.
):I:
TO LOCK
.
LOCKED POSITION
INSTALLATION
22
BATTERY CONNECTIONS
Honda BF9.9A and BF15A outboard motors produce a 12-volt, 6-ampere
battery-chaging current and are equipped for connection to a 12-volt battery.
The battery-charging circuit is protected by a 15-ampere fuse located in the
engine compartment.
The outboard motor’s 12-volt output is intended for battery charging only.
Lights and electrical accessories for the boat should be connected to the
battery.
WIRES TO BOAT LIGHTING
AND ELECTRICAL ACCESSORIES
BAlTERY CABLES
FROM OUTBOARD MOTOR
1 P-VOLT BAlTERY
Models With Electric Starter
These models are equipped with battery cables. The positive (+) cable has a
red band at the battery connector. The negative (-) cable has a black band at
the battery connector.
For electric starter operation, use a 12-volt battery with an ampere-hour rating
of at least 40 Ah.
Models Without Electric Starter
These models are equipped with a 12-volt dc battery-charging receptacle and
a plug which can be wired to a 12-volt battery to power lights and electrical
accessories for the boat.
INSTALLATION
23
The receptacle is provided with a rubber cap, which should be attached when
the plug is removed, in order to keep the receptacle clean and dry.
To prepare the outboard motor for
connection to a battery, pull the
.
plug out of its rubber boot, route
suitable electrical wires through the
boot, and screw them to the plug
positive (+) and negative (-) termi-
nals. Coat the plug terminals with
grease, and reinstall the plug in the
rubber boot.
Battery Installation
/
PLUG
RUBBER BOOT
\
NEGATIVE (-)
TERMINAL
Place the battery in a corrosion-resistant battery box that is securely mounted
in a location away from the fuel tank and protected from water and direct
sunlight.
The battery contains sulfuric acid (electrolyte),
which is highly corrosive and poisonous.
Getting electrolyte in your eyes or on your
skin can cause serious burns.
Wear protective clothing and eye protection
when working near the battery.
EMERGENCY PROCEDURES
Eyes - Flush with water from a cup or other container for at least 15 minutes
(water under pressure can damage the eye). Immediately call a physician,
local poison control center, or 911.
Skin
- Remove contaminated clothing. Flush the skin with large quantities of
water. Call a physician immediately.
Swallowing - Drink water or milk. Call your local poison control center or a
physician immediately.
INSTALLATION
Connections to the Battery
Connect the positive (+) battery cable to the positive (+) battery terminal, then
connect the negative (-) battery cable to the negative (-) battery terminal.
The negative (-) battery cable should always be removed from the battery
when connecting or disconnecting the positive (+) battery cable, so tools
cannot cause a short circuit if they touch a grounded part while being used on
the positive (+) battery terminal fitting.
Be careful to avoid connecting the battery in reverse polarity, as that will
damage the battery-charging system in the outboard motor.
. BLACK
NEGATIVE (-)
TERMINAL
BEFORE OPERATION
ARE YOU READY TO GET UNDERWAY?
Your safety is your responsibility. A little time spent in preparation will
significantly reduce your risk of injury.
Knowledge
Read and understand this manual. Know what the controls do and how to
operate them.
Familiarize yourself with the outboard motor and its operation before you get
underway. Know what to do in case of emergencies.
Familiarize yourself with all laws and regulations relating to boating and the
use of outboard motors.
Safety Apparel
Always wear a PFD while on the boat. Attach the emergency stop switch
lanyard securely to your PFD or your wrist.
IS YOUR OUTBOARD MOTOR READY TO GO?
For your safety, and to maximize the service life of your equipment, it is very
important to take a few moments before you operate the outboard motor to
check its condition. Be sure to take care of any problem you find, or have your
servicing dealer correct it, before you operate the outboard motor.
Improperly maintaining this outboard motor, or failing to correct a
problem before operation, could
cause a malfunction in which you
could be seriously injured.
Always perform a preoperation
inspection before each operation,
and correct any problem.
BEFORE OPERATION
26
Safety Inspection
l
Look around for signs of oil or gasoline leaks. Make sure the fuel tank is in
good condition and properly secured in the,boat (see page 27). Check that
the fuel hose is undamaged and properly connected (see page 28). Wipe
up any spills before starting the engine.
l
Check the stern bracket to be sure the outboard motor is securely installed.
l
Check that all controls are operating properly.
l
Replace any damaged parts.
l
Check that all fasteners are in place and securely tightened.
Maintenance Inspection
Check the engine oil level (see page 47). Running the engine with a low oil
level can cause engine damage.
Check to be sure the propeller is undamaged, and the retaining nut is
secured with a cotter pin (see page 56).
Check that the anode is securely attached to the anticavitation plate and is
not excessively worn (see page 55). The anode helps to protect the
outboard motor from corrosion.
Make sure the tool kit and spare parts are onboard (see page 42).
Replace any missing items.
Check the fuel level in the fuel tank (see page 44).
OPERATION
SAFE OPERATING PRECAUTIONS
To safely realize the full potential of this outboard motor, you need a complete
understanding of its operation and a certain amount of practice with its
controls.
Before operating the outboard motor for the first time, please review the
MPORTANT SAFETY /NFORMAT/ON on page 7 and the chapter titled
BEFORE OPERATION.
For your safety, avoid starting or operating the engine in an enclosed area.
Your engine’s exhaust contains poisonous carbon monoxide gas which can
collect rapidly in an enclosed area and cause illness or death.
BREAK-IN PROCEDURE
Proper break-in procedure allows the moving parts to wear in smoothly for best
performance and long service life.
For the first 10 hours, run the outboard motor at low speed, and avoid fullthrottle operation.
PORTABLE FUEL TANK PLACEMENT AND CONNECTIONS
Fuel Tank Placement
Place the portable fuel tank in a well-ventilated location, away from direct
sunlight.
Gasoline is highly flammable
and explosive.
You can be burned or seriously
injured when handling fuel.
l Stop the engine and keep heat,
sparks, and flame away.
l Handle fuel only outdoors.
l Wipe up spills immediately.
27
OPERATION
28
To ensure that the outboard motor
will be able to draw fuel from the
tank, place the tank within 6 feet of
the outboard motor and not more
than 3 feet below the fuel connector
on the outboard motor.
Secure the portable fuel tank in the
boat, so it won’t move around and
become damaged.
Before use, open the fuel tank vent
by turning the vent knob at least 2 or
3 turns counterclockwise.
Fuel Hose Connections
Connect the fuel hose to the tank
and the outboard motor, as shown.
Be sure both connectors snap securely into place.
Fuel Priming
VENT KNOB
FUEL
TANK
CAP
FUEL HOSE CONNECTOR
FOR OUTBOARD MOTOR
Hold the priming bulb with the outlet
end higher than the inlet end.
Squeeze the primer bulb several
times, until it feels firm, indicating
that fuel has reached the carburetor.
Check to be sure there are no fuel
leaks before starting the engine.
Do not squeeze the priming bulb
when the engine is running, be-
cause that could flood the carbure-
tor.
FUEi HOSE CONNECTOR
FOR FUEL TANK
PRIMING BULB
INiET
(from fuel tank)
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