TROUBLESHOOTING 53
10
If you encounter problem with the engine, check the list below and locate the problem you
are experiencing. Then follow the suggested remedies.
Do not hesitate to contact your dealer, as professionals advice and assistance is the best
way to keep the engine in optimum condition.
Difficult
to start
engine
Engine
starts. but
stops
soon
Poor
idling
Unstable
engine
running
speed or
engine
stops
Abnor-
mally high
engine
speed
Abnor-
mally low
engine
speeds
Cannot
obtain
high
engine
speeds
Overheat-
ing of
engine
Empty fuel tank
Incorrect connection of
fuel system
Air enters fuel line
Deformed or damaged
fuel pipe
Closed air vent on fuel
tank cap
Clogged fuel filter, fuel
pump or carburetor
Use of improper engine
oil
Use of improper
gasoline
Excessive supply of
gasoline
Poor carburetor
adjustment
Recirculation pipe
broken
Use of non-specified
spark plugs
Dirt or carbon deposits
on spark plugs
TROUBLESHOOTING
MWX50D2_E.book Page 53 Thursday, August 18, 2011 5:29 PM
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