TOHATSU M4C - Troubleshooting

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TROUBLESHOOTING
Engine failing to start Engine starting but stoping soon Poor idling Poor acceleration Engine speed abnormally high Engine speed abnormally low High engine speeds not possible Overheating of engine
Possible cause
FUEL SYSTEMS
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Empty fuel tank
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Incorrect connection of fuel sysytem
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Air entering fuel line
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Deformed or damaged fuel pipe
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Closed air vent on fuel tank
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Clogged fuel filter, fuel pump, or carburetor
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Use of improper engine oil
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Use of improper gasoline
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Excessive oil in mixture
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Shortage of oil in mixture
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Excessive supply of fuel
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Poor carburetor adjustment