Honda Bf5 Owners Manual

59 WITH OUTBOARD MOTOR
INSTALLED ON BOATWITH OUTBOARD MOTOR
REMOVED FROM BOAT
TRANSPORTING
CARRYING HANDLE
MOTOR SUPPORT BAR
(commerciallyavailable)
Lif ting the outboard motor by the
engine cover, or using the
installed outboard motor as a
handle or lever to move the boat,
can damage the outboard motor. If there is insuf f icient road clearance
in the normal running position, then
tilt the outboard motor and use a
motor support bar, or remove the
outboard motor from the boat. Refer
to the manufacturer’s...

60
TAKING CARE OF UNEXPECTED PROBLEMS
Check emergency stop switch
clip.
Check control positions.Clip not inserted in stop switch. Insert clip in stop switch.
Shif t to neutral (p. ).
Pull choke knob to CLOSED
position, unless engine is warm (p.
).
Turn throttle grip to START
position (p. ). ENGINE WILL NOT START Possible Cause Correction
Gearshift lever not in neutral
position.
Choke OPEN.
Throttle grip not in START
position. 1.
2.13
12
26
04/03/15 10:36:13 31ZV1630_061 

61
TAKING CARE OF UNEXPECTED PROBLEMS
Correction Possible Cause ENGINE WILL NOT START
(continued)
Check f uel. Out of f uel.
Fuel hose not primed.
Fuel pump f ilter or f uel tank f ilter
clogged.
Bad fuel; boat stored without
treating or draining gasoline, or
ref ueled with bad gasoline.
Carburetor malfunction, fuel pump
f ailure, ignition malf unction, stuck
valves, etc.Ref uel (p. ).
Squeeze priming bulb (p. ).
Replace f uel f ilters (p. ).
Replace or repair faulty
components as necessary. Fuel vent...

62
TAKING CARE OF UNEXPECTED PROBLEMS
Correction Possible Cause HARD STARTING OR STALLS
AFTER STARTING
Check control positions. Pull choke knob to CLOSED
position, unless engine is warm (p.
).
Turn throttle grip to START
(p. ). Choke OPEN.
Throttle grip not in START
position.
Check fuel. Fuel vent closed (portable fuel
tank).
Bad fuel; boat stored without
treating or draining gasoline, or
ref ueled with bad f uel.Open fuel tank vent (p. ).
Squeeze priming bulb (p. ).
Replace f uel f ilters (p. ).
Drain...

63
TAKING CARE OF UNEXPECTED PROBLEMS
HARD STARTING OR STALLS
AFTER STARTING
(continued)
Take outboard motor to an
authorized Honda marine dealer,
or refer to the shop manual.Faulty thermostat or water pump. Replace or repair faulty
components as necessary. ENGINE OVERHEATS Possible Cause CorrectionCarburetor malfunction, fuel pump
f ailure, ignition malf unction, etc.Replace or repair faulty
components as necessary. Take outboard motor to an
authorized Honda marine dealer,
or refer to the shop...

64
TAKING CARE OF UNEXPECTED PROBLEMS
ENGINE WILL NOT DRIVE
THE PROPELLERPossible Cause Correction
Broken shear pin.
Damaged gearshif t mechanism.Replace shear pin (p. ).
Replace or repair faulty
components as necessary. Check shear pin.
Take outboard motor to an
authorized Honda marine dealer,
or refer to the shop manual. 2.
1.52
04/03/15 10:37:04 31ZV1630_065 

65 OIL PRESSURE INDICATOR
LIGHT GOES OFF AND
ENGINE SPEED IS LIMITED
TAKING CARE OF UNEXPECTED PROBLEMS
OIL PRESSURE INDICATOR LIGHT
If the throttle is closed suddenly af ter
f ull throttle operation, engine speed
may drop below the specif ied idle
rpm, and that could activate the
engine protection system
momentarily.
If low oil pressure activates the
engine protection system, stop the
engine, check the engine oil level
(p. ), and add oil if needed.
If the engine protection system
remains activated after...

66 SUBMERGED MOTOR
TAKING CARE OF UNEXPECTED PROBLEMS
A submerged outboard motor must
be serviced immediately af ter it is
recovered f rom the water in order to
minimize corrosion.
Remove the engine cover, and
rinse the outboard motor with
f resh water to remove salt water,
sand, mud, etc.
Drain the carburetor as described
on p. .Change the engine oil as described
on p. . If there was water in the
engine crankcase, or if the used
engine oil showed signs of water
contamination, then a second
engine oil...

67
TAKING CARE OF UNEXPECTED PROBLEMS
When cranking the engine with
an open ignition circuit (spark
plug removed f rom the ignition
circuit), remove the clip f rom
the engine stop switch to
prevent possible damage to the
ignition system.Attempt to start the engine.
If the engine starts, and no
mechanical damage is evident,
continue to run the engine for a
half hour or longer. Be sure the
water level is at least two inches
above the antiventilation plate to
avoid overheating and water pump
damage. Pour a...

68 TECHNICAL INFORMATION
Serial Number Locations
TECHNICAL AND CONSUMER INFORMATION
ENGINE SERIAL NUMBER
PRODUCT IDENTIFICATION
NUMBER
Record the product identification
number and engine serial number in
the space provided on this page. You
will need these numbers when
ordering parts, and when making
technical or warranty inquiries
(p. ).
Engine serial number: Product identification number: The product identification number is
stamped on the swivel case.The engine serial number is
stamped on the right...