TROUBLESHOOTING
Problem |
| Cause |
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Engine will not start. | • | Mower deck control is engaged. |
| • Speed control not in the start position. | |
| • Spark plug wire is off. | |
| • Contamination in the carburetor or fuel line. | |
| • Fuel shutoff valve is closed. | |
| • Clogged fuel filter or fuel line. | |
| • | Empty fuel tank. |
| • | Faulty ignition system. |
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Engine runs rough. | • | Faulty carburetor. |
| • Choke control is pulled out with a warm engine. | |
| • Clogged fuel filter or jet. | |
| • Clogged ventilation valve on the fuel cap. | |
| • Fuel tank nearly empty. | |
| • | Fouled spark plugs. |
| • Spark plug is 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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Engine seems weak. | • | Clogged air filter. |
| • | Fouled spark plug. |
| • | Carburetor incorrectly adjusted. |
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Machine vibrates. | • | Blades are loose. |
| • Blades are incorrectly balanced. | |
| • | Engine is loose. |
