Honda BF4.5B - ENGINE OVERHEATING AND OVERREVVING ISSUES

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78
Engine fails to start
Engine speed does not increase
Engine speed fluctuates or engine stalls
TROUBLESHOOTING
14.
Emergency stop switch
clip is not engaged.
Engine is flooded.
Fuel filler cap vent knob
is not turned ON.
Fuel connectors are not
connected properly.
Fuel line is flattened or
kinked.
Out of fuel.
Fuel is not reaching the
carburetor?
Recoil starter cannot be
operated.
Fuel system is not
primed by squeezing the
priming bulb?
Engage the emergency
stop switch clip in place.
Supply fuel.
Check for bent or
pinched fuel line.
Connect properly.
Open the fuel filler cap
vent knob.
Squeeze the priming
bulb to supply fuel.
Loosen the carburetor
drain screw to see if
thereisfuelinthe
car buretor float bowl.
Clean and dry the spark
plug.
Settheshiftleverin
NEUTRAL position.
Outboard motor is not
installed properly.
Install the outboard
motor in proper position.
Passengers are not
distributed equally.
Unmatched propeller is
selected.
Engine oil level is low.
Fuel filter is clogged.
Fuel line is flattened or
kinked.
Distribute the passengers
equally.
Consult with an
authorized Honda
outboard motor dealer.
Check engine oil and
add to specified level.
Replace fuel filter.
Check for excessively
bent or pinched fuel line.
Sparkpluggapis
incorrect.
Spark plug heat range is
incorrect.
Sparkplugisfouled.
Fuel filter is clogged.
Adjust to proper gap.
Replace with spark plug
of proper heat range.
Remove spark plug and
dry and clean it.
Replace fuel filter.
Fuel line is flattened or
kinked.
Check for excessively
bent or pinched fuel line.
Add fuel.Fuel level is low.
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