Troubleshooting - TOHATSU MFS5C Owner's Manual

TROUBLESHOOTING

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If you encounter a problem, consult the check list below to determine the cause and to
take the proper action.
An authorized dealer will always be happy to provide any assistance and information.
Possible cause
Empty fuel tank
Incorrect connection of fuel system
Air entering fuel line
Deformed or damaged fuel hose
Closed air vent on fuel tank
Clogged fuel filter, fuel pump, or carburetor
Use of improper engine oil
Use of improper gasoline
Excessive supply of fuel
Poor carburetor adjustment
Spark plug other than specified
Dirt, soot, etc. on spark plug
No Spark or weak spark
Short circuit of engine stop switch
Ignition timing incorrect
Lock plate not fitted
Disconnection of wire or loose ground connection
Low compression
Carbon deposits in the combustion chamber
Incorrect valve clearance
Low oil pressure/level
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