Honda Power Equipment BF75, BF100 User Manual
Thank you for purchasing a Honda Outboard Motor.
This manual covers operation and maintenance of the Honda .Outboard
Motor. All information in this publication is based on the latest product
information available at the time of approval for printing.
Honda Motor Co., Ltd. reserves the right to make changes at any time without
notice and without incurring any obligation.
No part of this publication may be reproduced without written permission.
This manual should, be considered a permanent part of the Outboard Motor
and should remain with the Outboard Motor when it is sold.
Pay special attention to statements preceded by the following words:
B Indicates a strong possibility of severe personal injury or loss of
life if instructions are not followed.
CAUTION: Indicates a possibility of personal injury or equipment damage if
instructions are not followed.
NOTE: Gives helpful information.
If a problem should arise, or if you have any questions about the Outboard
Motor, consult an authorized Honda dealer.
m Honda Outboard Motors are designed to give safe and dependable
service if operated according to instructions. Read and understand the
Owner’s Manual before operating the Outboard Motor. Failure to do so could
result in personal injury or equipment damage
2
CONTENTS
1. SAFETY INSTRUCTIONS
...........................................................
2. WARNING LABELS ...................................................................
3. COMPONENT IDENTIFICATION
..................................................
4. INSTALLATION .......................................................................
5. PRE-OPERATION CHECK
6. STARTING THE ENGINE
...........................................................
............................................................
7. OPERATION ............................................................................
8. STOPPING THE ENGINE
.
High altitude operation
9. MAINTENANCE
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10. TRANSPORTING/STORAGE
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11. TROUBLESHOOTING ................................................................
12. SPECIFICATIONS
13. WIRING DIAGRAM
14. OPTIONAL PARTS
15. WARRANTY SERVICE
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4
5
6
8
10
13
18
24
24
25
36
38
39
40
41
42
.I. SAFETY lNSTF?UCTUONS
To ensure safe operation-
0 Understand the operation of all controls, and know how to stop the
engine quickly -READ THIS OWNER’S MANUAL CAREFULLY.
0 Do not exceed the boat manufacturer’s power recommendation, and be
sure the outboard motor is properly mounted.
0 Never permit anyone to operate the outboard motor without proper
instruction.
0 Stop the engine immediately if any passenger falls overboard.
0 Do not run the motor while the boat is near any person in the water.
0 Exhaust gas contains poisonous carbon monoxide. Never run the out-
board motor in a closed garage or confined area.
0 Gasoline is extremely flammable and is explosive under certain condi-
tions. Refuel in a well ventilated area with the engine stopped.
0 Do not smoke or allow flames or sparks where the engine is refueled or
where gasoline is stored.
0 Do not overfill the fuel tank, and make sure the fuel tank cap is securely
closed after refueling.
0 Be careful not to spill fuel when refueling. Fuel vapor or spilled fuel may
ignite. If any fuel is spilled, make sure the area is dry before starting the
engine.
4
CAMSHAFT PULLEY LABEL
2. WARNING LABELS
FRONT LABEL
Check oil level before starting.
B d’huile avant de d8marrer.
Controler obligatoirement le niveau
I
STARTING CAUTION LABEL
. DO NOT OPERATE WITH ENGINE COVER REMOVED
. PULL STARTER LIGHTLY UNTIL SOME RESISTANCE IS FELT.
II
THEN PULL k
. OTEUR EN MARCHE AVEC LE LEVIER DES
VlTESSES AV POINT MORT.
. NE PAS FAIRE FONCTIONNER LE MOTEUR LE CAPOT RELEVE
* TIPER LE LANCEUR DOUCEMENT. PUIS FORIEMENT A LA
II
lARD AND FAST.
9
1
II
1
II
FUEL TANK CAUTION LABEL
0 ESSUYER TOUTE ESSENCE RENVERSEE.
RECOIL STARTER CAUTION LABEL
5.
3. COMPONENT ODENTUFICATOON
FUEL LINE CONN
STARTER GRIP
THROTTLE FRICTION KNOB
ENGINE COVER LOCK LEVER
GEAR OIL LEVEL BOLT
WATER INTAKE
GEAR OIL DRAIN BOLT
6
FUEL TANK
PRIMER BULB
FUEL LINE CONNECTOR
(FEMALE)
TOOL KIT
\
SPARE OIL
CONTAINER
DIPSTICK _
c ;;;;;r;-;TTON
SPARE SHEAR PINS
AND COTTER PINS
TILT LEVER
ENGINE OIL DRAIN SCREW
CLAMP SCREW
ENGINE SERIAL NUMBER
* Always list the serial number when
ordering parts.
ANTI-CAVITATION PLATE
EXHAUST
WATER CHECK TUBE
7
4. INSTALLATION
It is your responsibility to choose a
boat suitable for the engine (9.9
horsepower BFlOO, 7.5 horsepower
BF75).
M Do not exceed the boat
manufacturer’s power recommendation. Damage and injury may
result.
1. Installation Position
Install at the stern at the center line
of the boat.
2. Installation Height
Make sure that the transom height
is correct for the motor. Incorrect
installation height will reduce per-
formance.
The motor should be installed so
that the anti-cavitation plate is 2-5
cm (0.8-2.0 in) below the bottom
of the boat.
CAUTION: The water level must be
at least 4 inches above the anticavita-
tion plate, otherwise the water pump
may not receive sufficient cooling
water, and the engine will overheat.
TRANSOM HEIGHT
\ t
STERN CENTER
I
2-5 cm
lO.8-2.0 in.)
3. Motor Attachment
Attach the stern bracket to the
transom and tighten the clamp
screws.
CAUTION: -.
While operating the boat, check
the tightness of the clamp screws
occasionally.
Tie a rope through the hole in
the stern bracket and secure the
other end of the rope to the
boat. This will orevent accidental
loss of the motor.
ANTI-CAVITATION PLATE
ROPE
4. Motor Angle (In cruising)
Adjust the motor so the axis of the
propeller is parallel with the water
surface.
CAUSES BOAT TO “SQUAT” CAUSES BOAT TO “PLOW’
INCORRECT INCORRECT
5. Motor Angle Adjustment
If the propeller axis is not parallel
with the water surface, adjust by
changing the adjusting 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.
-CAUTION: To prevent damage to
the motor or boat, make sure the
adjusting rod is locked.
TO CHANGE
GIVES MAXIMUM PERFORMANCE
3
.A.
CORRECT
ADJUSTING ROD
USTING ROD
UNLOCKED
POSITION
. .
.A..~
TO L
Hi
LOCKED POSITION
\
9
5. PRE-OPERATION CHECK
1. Check the engine’oil level.
CAUTION:
l
Engine oil is a major factor affecting engine performance and service life.
Non-detergent and low quality oils are not recommended.
l
Running the engine with insufficient oil can cause serious engine damage.
Use Honda 4-stroke oil, or an equiv-
alent high detergent, premium qual-
ity motor oil certified t0 meet or
exceed U.S. automobile manufacturer’s requirements for Service
Classification SE or SF. (Motor oils
classified SE or SF will show this
designation on the container.)
Select the appropriate viscosity for
the average temperature in your
area. SAE low-40 is recommended
for general, all-temperature use.
1. Position the outboard motor vertically, and remove the engine cover.
2. Remove the dipstick and wipe with a clean rag.
3. Reinsert the dipstick, and check the oil level with the dipstick resting on
the filler opening (do not screw in). If the oil level is down toward the
400 cc mark, fill to the 800 cc mark.
1
-30 -20 -10 0 10
20 30 40°C
Oil capacity: 0.8 II (0.85 US qt)
ENGINE COVER LOCK LEVER
10
*DIPSTICK
2. Check the fuel level
Check the fuel gauge and refill the tank if the fuel level is low.
NOTE: Open the vent knob before removing the fuel filler cap. When the
vent knob is firmly closed, the cap will be difficult to remove.
Use any regular grade automotive gasoline (unleaded gasoline is preferred)
with a pump octane rating of 86 or higher. Never use an oil/gasoline
mixture or dirty gasoline. Avoid getting dirt, dust or water in the fuel tank.
CAUTION: Gasoline substitutes are not recommended; they may be
harmful to the fuel system components.
Fuel tank capacity: 13 II (3.4 US gal)
l
Gasoline is extremely flammable and explosive under certain conditions.
Refuel in a well ventilated area with the engine stopped.
l
Do not smoke or allow flames or sparks near the fuel tank and fuel line.
l
Do not overfill the tank and make sure the filler cap is securely closed
after refueling.
l
Be careful not to spill fuel when refueling. Fuel vapor or spilled fuel
may ignite. If any fuel is spilled, make sure the area is dry before starting
the engine.
FUEL S;AUGE
VENT KNOB
11
3. Check the following items.
l
Check the propeller, the shear pin, and the cotter pin to be sure they are
secure and undamaged.
l
Check the stern bracket to be sure the motor is securely installed.
l
Check steering handle operation.
l
Make sure you have the tool kit and spare parts with you (P. 26).
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6. STARTING THE ENGINE
CAUTION: Damage to the water pump, engine components and exhaust
system may occur if the motor is operated while the propeller is out the
water.
1. Connect the fuel line to the tank and outboard motor, as shown. Be sure
the connectors are securely latched.
NOTE:
l
Position the fuel tank so the tank fuel line connector is no more than 1
meter (3.3 ft) below the motor fuel line connector.
l
Do not place the fuel tank more than 2 meters (6.6 ft) away from the
motor.
l
Be sure that the fuel line is not kinked.
FEMALE FUEL LINE CONNECTOR
- TO MOTOR
MALE FUEL LI CONNECTOR
-TO FUEL TANK
2. Open the fuel cap vent knob 2 to 3 turns.
3. Squeeze and release the primer bulb until it feels firm, indicating that fuel
has reached the motor. Check for leaks.
w If any fuel is spilled, make sure the area is dry before starting
the engine. Spilled fuel may ignite.
NOTE: Do not use the primer bulb whiie the engine is running.
PRIMER BULB
13
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