Service Manual

Engine Does Not Produce Maximum Power

Plugged air filter Clean or replace air filter

Incorrect fuel mixture Drain tank; refill with correct fuel mixture

Plugged muffler Clean or replace muffler

Plugged or waterlogged fuel filter Replace fuel filter

Improperly adjusted carburetor Adjust carburetor

Leaking reed valve Replace reed valve

Air leak at carburetor base gasket Tighten carburetor fasteners or

replace carburetor base gasket

Intermittent spark Replace ignition module

Low compression Replace piston ring or cylinder gasket

Leaking crankcase seals Replace crankcase seals

Scored piston and/or cylinder Replace piston and cylinder assembly

Worn piston ring or low compression Overhaul engine

Carburetor Floods

Faulty primer or improperly installed primer/fuel lines Correctly install primer/fuel lines

or replace primer

Improperly adjusted carburetor Adjust carburetor

Damaged carburetor Replace carburetor

Leaking fuel inlet needle Replace fuel inlet needle

Possible Cause Remedy

TROUBLESHOOTING

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