Honda Workshop For Bf5 Maintenance Manual

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W16EPR-U (DENSO) BPR5ES (NGK)
0.028 0.031 in (0.7 0.8 mm)
49 Spark Plug Service
SERVICING YOUR OUTBOARD MOTOR
SPARK PLUG WRENCHSEALING WASHER SIDE ELECTRODE
0.028 0.031 in
(0.7 0.8 mm) New plug Plug needing
replacement
INSULATOR
Incorrect spark plug can cause
engine damage. RECOMMENDED SPARK PLUGS:
Measure the spark plug electrode
gap with a wire-type feeler gauge.
Correct the gap, if necessary, by
carefully bending the side
electrode.
The gap should be:
Remove the spark plug with a
spark plug...

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3.2 US gal (12 L)
50REFUELING
Portable Fuel Tank
SERVICING YOUR OUTBOARD MOTOR
OOPPEENN
FUEL GAUGEVENT KNOB
FUEL FILLER CAP
PRESSURE RELIEF TAB
A loose spark plug can overheat
and damage the engine.
Overtightening the spark plug can
damage the threads in the cylinder
head. Af ter the spark plug seats, tighten
with a spark plug wrench supplied
in the tool kit to compress the
sealing washer.
If reinstalling the used spark plug,
tighten 1/8 1/4 turn after the
spark plug seats.
If installing new spark...

Gasoline is highly
flammable and explosive.
You can be burned or
seriously injured when
handling fuel.
Wipe up spills
immediately. Handle fuel only
outdoors. Stop the engine and keep
heat, sparks, and flame
away.
51
SERVICING YOUR OUTBOARD MOTOR
PRESSURE RELIEF TABFUEL FILLER CAP
PRESSSAFE FILL LEVEL
FUEL FILLER CAP
VENT KNOB
CCLLOOSSEE
Fuel can damage paint and plastic.
Be caref ul not to spill f uel when
f illing your f uel tank. Damage
caused by spilled f uel is not covered
under warranty. Press down...

52 FUEL RECOMMENDATIONS
SERVICING YOUR OUTBOARD MOTOR
Use unleaded gasoline with a pump
octane rating of 86 or higher.
Your outboard motor is certified to
operate on unleaded gasoline.
Unleaded gasoline produces f ewer
engine and spark plug deposits and
extends exhaust system life.
Never use stale or contaminated
gasoline or an oil/gasoline mixture.
Avoid getting dirt or water in the f uel
tank.
You may use unleaded gasoline
containing no more than 10% ethanol
(E10) or 5% methanol by volume. In
addition,...

Gasoline is highly
flammable and explosive.
You can be burned or
seriously injured when
handling fuel.
Stop the engine and keep
heat, sparks, and flame
away.
Handle fuel only
outdoors.
Wipe up spills
immediately.
53 Fuel Filter Inspection and
Replacement
SERVICING YOUR OUTBOARD MOTOR
UNLOCK ENGINE COVER LOCK LEVER
The f uel f ilter is located under the
engine cover, on the right side of the
engine.
Water or sediment accumulation in
the f ilter can cause loss of power or
hard starting. To prevent engine...

54
SERVICING YOUR OUTBOARD MOTOR
HOSE CLAMPSFUEL FILTER
FUEL HOSE
FUEL HOSEARROW
(Fuel Flow Direction)FUEL FILTER
HOSE CLAMPS
Remove the fuel hoses from the
used f ilter, and discard the f ilter.
To ease hose removal, release the
hose clamps by squeezing the
clamp ends together with pliers
while pulling of f the hoses. Connect the f uel hoses to the f uel
f ilter securely with the hose
clamps. Remove the fuel hose
clips used to close the f uel hoses. Install the new f ilter on the f uel
hoses, with the f...

Gasoline is highly
flammable and explosive.
You can be burned or
seriously injured when
handling fuel.
Stop the engine and keep
heat, sparks, and flame
away.
Handle fuel only
outdoors.
Wipe up spills
immediately.
55 Portable Fuel Tank and Tank
Filter Cleaning
SERVICING YOUR OUTBOARD MOTOR
FUEL HOSE
(standard equipment)
Fuel Tank
Empty the portable fuel tank into an
approved gasoline container. Use a
f unnel to avoid spilling f uel. Rinse
the fuel tank with nonflammable
solvent to remove any accumulated...

56Anode Replacement Recoil Starter Rope Inspection
SERVICING YOUR OUTBOARD MOTOR
ANODE
BOLT
RECOIL STARTER ROPE 5 mm SCREWS (4)
FUEL TANK FILTER JOINT
(Fuel Hose Connector)CONNECTOR
GASKET
FUEL TANK
FILTERFuel Tank Filter
Painting or coating the anodes will
def eat their purpose and will lead to
rust and corrosion damage to the
outboard motor. The anodes must be
exposed to the water in order to
protect the outboard motor. Replace the anode when it has been
reduced to about half its original size,
or if...

57 Propeller and Shear Pin
Replacement
SERVICING YOUR OUTBOARD MOTOR
PROPELLER CAP
SHEAR PIN COTTER PIN
RemovalRemove the cotter pin, the
propeller cap, and the propeller.
Remove the broken shear pin and
replace it with a new one.
Operating the outboard motor at
higher altitudes will reduce available
power. This may require decreasing
the propeller pitch to maintain correct
engine RPM. The propeller blades may have sharp
edges, so wear heavy gloves to
protect your hands. Ashearpinisusedtoprotectthe...

58
SERVICING YOUR OUTBOARD MOTOR
COTTER PIN
InstallationSpare shear pins and cotter pins are
provided in the engine compartment
(p. ).
Install the shear pin and the
propeller, then install the propeller
cap finger tight.
Use a Honda Genuine stainless
steel cotter pin or equivalent cotter
pin and bend the pin ends as
shown. Be sure to replace the cotter pin
with a new one. 1.
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