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Problem
engine will not start.
Starter does not turn the engine over.
engine runs rough.
engine seems weak.
48
TROUbleshOOTINg gUIDe
Cause
•
Blade switch is engaged.
•
Steering controls are not locked in the neutral
position.
•
Parking brake is not activated.
•
Battery is dead.
•
Contamination in the carburetor or fuel line.
•
Fuel supply is closed.
•
Clogged fuel filter or fuel line.
•
Faulty ignition system.
•
Dead battery.
•
Poor contacts on the battery terminal cable
connections.
•
Fuse blown.
•
Ignition system faulty.
•
Fault in the starter safety circuit. See Safety
System in the Maintenance section
•
Faulty carburetor.
•
Clogged fuel filter or jet.
•
Clogged ventilation valve on the fuel cap.
•
Fuel tank nearly empty.
•
Fouled spark plug.
•
Spark plug is loose.
•
Rich fuel mixture or fuel-air mixture.
•
Wrong fuel type.
•
Water in the fuel.
•
Clogged air filter.
•
Clogged air filter.
•
Fouled spark plugs.
•
Carburetor incorrectly adjusted.
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