Trouble Shooting Guide
Problem
The engine will not start.
The engine runs unevenly.
The engine seems weak.
TROUBLE SHOOTING GUIDE
Cause
•
The control for engaging the mower deck is
in engaged position.
•
The motion controls are not locked in the
neutral position.
•
Spark plug wires off.
•
Contamination in the carburetor or fuel line.
•
The fuel shut off valve is closed.
•
Clogged fuel filter or fuel line.
•
Fuel tank empty.
•
Faulty carburetor.
•
The choke control is pulled out with a warm engine.
•
Defective valves.
•
Defective piston, cylinder, piston ring, or
cylinder head seal.
•
The cylinder head bolts are loose.
•
Clogged fuel filter or jet.
•
Clogged ventilation valve on the fuel cap.
• Fuel tank near empty.
•
Defective spark plugs.
•
The spark plugs are loose.
•
Defective ignition cable.
•
Defective spark plug electrode.
•
Defective spark plug connection.
• Rich fuel mixture or fuel-air mixture.
•
Wrong fuel type.
•
Water in the fuel.
•
Clogged air filter.
•
Clogged air filter.
•
Defective spark plugs.
•
Carburetor incorrectly adjusted. Worn engine.
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