TROUBLE SHOOTING GUIDE
Trouble Shooting Guide
Problem | Cause | |
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The engine will not start.
•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.
The engine runs unevenly. | • | Faulty carburetor. | |
| • The choke control is pulled out with a warm engine. | ||
| • | Defective valves. | |
| • | Defective piston, cylinder, piston ring, or | |
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| 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 | |
| • | Wrong fuel type. | |
| • | Water in the fuel. | |
| • | Clogged air filter. | |
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The engine seems weak. | • | Clogged air filter. | |
| • | Defective spark plugs. | |
| • | Carburetor incorrectly adjusted. Worn engine. | |
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