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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