Honda Power Equipment BF2A User Manual
Thank you for purchasing a Honda Outboard Motor.
This manual covers operation and maintenance of the Honda BF2A
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:
ADANGER: Indicates severe personal injury or death will result if instructions are not followed.
m Indicates a strong possibility of severe personal injury or death
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.
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CONTENTS
1. SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2. COMPONENT IDENTIFICATION
3. INSTALLATION
4. PRE-OPERATION CHECKS
5. STARTING THE ENGINE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6. OPERATION
7. STOPPING THE ENGINE
8. MAINTENANCE
9. TRANSPORTING/STORAGE
10. TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11. SPECIFICATIONS
12. OPTIONAL PART
13. WARRANTY SERVICE
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5
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‘26
35
37
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1. SAFETY
SAFETY LABEL LOCATIONS
Read all safety instructions before using the Outboard Motor.
WARNING
. GASOLINE ONLY 10.3 U.S.gal 1
. WPE OFF SPlLLED GASOLINE BEFORE STARTING.
. KEEP AWAY FROM FIRE.
Liter)
L% WARNING
TO AWlD PERSONAL INJULY;
Cl READ OWNER’S MANVAL
CAREFULLY BEFORE OPERATION.
0 DO NOT OPERATE WITH ENGINE COVER
TO A”OlD DAMAGE TO THE MOTER ;
0 CHFCK OIL LEVEL BEFORE STARTING.
0 ANTI-CAYITATKJN PLATE MVST BE
D PULL STARTER LIGHTLY. “NTIL
Ld CAUTION
SVBMERGED IN WATER BEFORE OPERATION.
RESISTANCE IS FELT. THEN PULL BRISKLY.
REMOVED.
HONDA MOTOR CO., LTD.
MADE IN JAPAN
3
m
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.
To ensure safe operation-
Understand the operation of all controls, and know how to stop the
engine quickly- READ THlS OWNER’S MANUAL CAREFULLY.
Do not exceed the boat manufacturer’s power recommendation, and be
sure the outboard motor is properly mounted.
Never permit anyone to operate the outboard motor without proper
instruction.
Stop the engine immediately if anyone falls overboard.
Do not run the motor while the boat is near anyone in the water.
Exhaust contains poisonous carbon monoxide which can cause unconsciousness and may lead to death. Never run the outboard in a closed garage or confined area.
Gasoline is extremely flammable and is explosive under certain conditions. Refuel in a well-ventilated area with the engine stopped.
Do not smoke or allow flames or sparks where the engine is refueled or
where gasoline is stored.
Do not overfill the fuel tank. After refueling make sure that the fuel tank
cap is closed properly and securely.
Be careful not to spill any fuel while refueling. Spilled fuel or fuel vapor
may ignite. If any fuel is spilled, make sure that the area is dry before
starting the engine.
Do not remove any guards, labels, shields, covers or safety devices;
they are installed for your safety.
Honda Outboard motors are designed to give safe dependable
STARTER GRIP
ENGINE STOP BUTTON
OIL FILLER CAP
CLAMP SCREW
2. COMPONENT IDENTIFICATION
ENGINE COVER
ENGINE COVER
LOCK BAND
’ ENGINE SERIAL
NUMBER
STERN BRACKET
ADJUSTING ROD/
WATER INTAKE
GEAR OIL LEVEL BOLT
GEAR OIL DRAIN BOLT
+ STEERING
FRICTION BOLT
ANODE METAL
(BFZA S)
5
CASE
FUEL VALVE
PROTECTOR
LE&R
FUEL FILLER CAP
L
II I
THROTTLE LEVER
OKE KNOB
STEERING HANDLE
LEVEL INSPECTION
WINDOW
FRAME SERIAL NUMBER
\
WATER CHECK HOLE
6
(BFZA S)
3. INSTALLATION
It is your responsibility to choose a
boat suitable for the engine (2 horse-
power).
manufacturer’s power recommenda-
tion. Damage and injury may result.
Two shaft lengths are available for
the BF2A, either long or short, to
match the transom height of the
boat.
1. Installation Position
Install at the stern at the center line
of the boat.
2. Installation Height
For proper propellei depth and engine
cooling, the boat’s transom height
must match the motor’s shaft
length. The short shaft motor re-
quires a transom height of about 15
in. The long shaft motor requires a
transom of height about 20 in. Once
the boat is in the water and loaded,
check proper motor depth by looking
at the anti-cavitation plate: with the
motor not running, the plate should
be about 100 mm (4 in.) below the
surface of the water.
During operation, check to be sure the anti-cavitation plate remains under
water at all times and that water flows from the water check hole.
Excessive or imbalanced loading will affect the motor’s water depth.
Loading too far forward will raise the motor out df the water, reducing
engine cooling. Loading too much or too far rearward will push the motor
deeper, reducing performance.
STERN CENTER
CAVITATION
CAUTION: Insufficient water supply (anti-cavitation plate out of the
water) may cause overheating that will damage the outboard motor.
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3. Motor Attachment
Attach the stern bracket to the transom and tighten the clamp screws.
CAUTION:
l
While operating the boat, check
the tightness of the clamp screws
occasionally.
l
Tie a rope through the hole in the
stern bracket and secure the other
end of the rope to the bo,at. This
will prevent accidental loss of the
motor.
4.
Motor Angle (Cruising)
Adjust the motor so the axis of the
propeller is parallel with the water
CCAMP‘SCREW
surface.
INCORRECT
CAUSES BOAT.TO “SQUAT”
GIVES MAXIMUM PERFORMANCE
CORRECT
5. Motor Angle Adjustment
If the propeller axis is not parallel
INCORRECT
CAUSES BOAT TO “PLOW”
with the surface of the water, adjust
the angle of the motor by relocating
the adjusting bolt on the stern
brackets. There are four adjustment
positions.
1. Loosen the wing nut to free the
adjusting bolt.
2. Adjust the angle of the motor, and
tighten the wing nut. Be sure that
the bolt .head and wing ntit are
seated in one of the four recesses
on the adjustment slot.
CAUTION: To prevent damage to the motor or boat, make slire the ad-
justing rod is locked.
ADJUSTING ROD \AND WING NUT
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4. PRE-OPERATION CHECKS
1. Engine Oil Level
CAUTION:
l
Engine oil is a major factor affecting engine performance and service
life. Nondetergent and low quality oils are not recommended, because
they have inadequate lubricating properties.
l
Running the engine with insufficient oil can cause serious engine
damage.
Use Honda 4-stroke oil or an equivalent high detergent, premium
quality motor oil certified to meet or
exceed U.S. automobile manufacturers’
Classification SF CC/CD or SG.
Motor oils classified SF CC/CD or SG
will show this designation on the
container.
Select the appropriate viscosity for
the average temperature in your
area. SF CC/CD or SG low-30 is
recommended for general, all-
temperature use.
1. Position the outboard motor vertically, and check the oil level in the oil
2. If the oil level is down toward the lower level mark on the window, fill
requirements for Service
-20
0
,
-30 -20
20 40
-10 o IO
level inspection window.
up to the 0.4 e (0.42 U.S. qt.) mark on the dipstick.
60 80
20 30 40"~
100°F
,
l--b WA.-
OIL LEVEL INSPECTION WINDOW
I
UPPER LEVEL 0.4 P(0.42 U.S. qt.)
LOWER LEVEL 0.2 P(0.21 U.S. qt.)
2. Fuel Level
Remove the filler cap and check the fuel level. 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.
Your engine ‘s
tane number (-
R +esigned to use any gasoline that has a pump oc-
) of 86 or higher, or that has a research octane number
of 91 or higher.2Gasoline pumps at service stations normally display the
pump octane number.
We recommend that you use unleaded fuel because it produces fewer
engine and spark plug deposits and extends the life of exhaust system
components.
Never use stale or contaminated gasoline or an oil/gasoline mixture. Avoid
getting dirt, dust or water in the fuel tank. Use of a lower octane gasoline
can cause persistent “pinging” or heavy “spark knock” (a metallic rapping noise) which, if severe, can lead to engine damage.
CAUTION: If “spark knock” or “pinging” occurs at a steady engine
speed under normal load, change brands of gasoline. If spark knock or
pinging persists, consult your authorized Honda dealer. Failure to do so is
considered misuse, and damage caused by misuse is not covered by
Honda’s Limited Warranty.
Occasionally you may experience light spark knock while operating under
heavy loads. This is no cause for concern, it simply means your engine is
operating efficiently.
Fuel tank capacity: 1.0 P (0.26 U.S. gal.)
FUEL FILLER CAP
FUEL TANK
After refueling, be sure to tighten the fuel tank cap firmly.
w
conditions.
Gasoline is extremely flammable and is explosive under certain
10
l
Refuel in a well-ventilated area with the engine stopped. Do not smoke
or allow flames or sparks in the area where the engine is refueled or
where gasoline is stored.
l
Do not overfill the tank (there should be no fuel in the filler neck). After
refueling, make sure the tank cap is closed properly and securely.
l
Be careful not to spill fuel when refueling. Spilled fuel or fuel vapor may
ignite. If any fuel is spilled, make sure the area is dry before starting the
engine.
l
Avoid repeated or prolonged contact with skin or breathing of vapor.
KEEP OUT OF REACH OF CHILDREN.
GASOLINES CONTAINING ALCOHOL
If you decide to use a gasoline containing alcohol (gasohol), be sure its octane rating is at least as high as that recommended by Honda. There are
two types of “gasohol”:
one containing ethanol, and the other containing
methanol. Do not use gasohol that contains more than 10% ethanol. Do
not use gasoline containing methanol (methyl or wood alcohol) that does
not also contain cosolvents and corrosion inhibitors for methanol. Never
use gasoline containing more than 5% methanol, even if it has cosolvents
and corrosion inhibitors.
NOTE:
l
Fuel system damage or engine performance problems resulting from the
use of fuels that contain alcohol is not covered under the warranty.
Honda cannot endorse the use of fuels containing methanol since
evidence of their suitability is as yet incomplete.
l
Before buying fuel from an unfamiliar station, try to find out if the fuel
contains alcohol; if it does, confirm the type and percentage of alcohol
used. If you notice any undesirable operating symptoms while using a
gasoline that contains alcohol, or one that you think contains alcohol,
switch to a gasoline that you know does not contain alcohol.
II
3. Other Checks
Check the following items.
@ Propeller, shear pin and cotter pin. Check for looseness or damage.
@ Steering handle. Check for impaired operation.
@ Stern bracket. Check for damage.
@Tool kit. Check for missing spare parts and tools (page 27).
@ Anode metal. Check for looseness, damage or excessive corrosion.
The anode metal helps to protect the outboard motor from corrosion
damage; it must be exposed directly to the water whenever the motor is in
use. Replace the anode metal when it has been reduced to approximately
one half of its original size.
CAUTION:’ The possibility of corrosion damage increased if the anode
metal is painted over or allowed to deteriorate.
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