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43
Problem Cause
The engine will not start. Blade lever is engaged.•
Steering controls are not locked in neutral •
position.
Driver is not sitting in driver’s seat.•
Parking brake is not activated.•
Battery is dead.•
Contamination in carburetor or fuel line.•
Fuel supply is closed or tap for fuel tank is in •
wrong position.
Clogged fuel lter or fuel line.•
The starter does not turn the engine over. Dead battery.•
Poor contacts on the battery terminal cable •
connections.
Fuse blown.•
Ignition system faulty.•
Fault in the starter safety circuit. See Checking the •
Safety System in the Maintenance section.
The engine runs rough. Faulty carburetor.•
Choke control used with warm engine.•
Defective valves.•
Defective piston, cylinder, piston ring, or •
cylinder head seal.
Cylinder head bolts are loose.•
Clogged fuel lter or jet.•
Clogged ventilation valve on fuel cap.•
Fuel tank nearly empty.•
Fouled spark plug.•
Spark plug is loose.•
Defective ignition cable.•
Defective spark plug electrode.•
Defective spark plug connection.•
Rich fuel mixture or fuel-air mixture.•
Wrong fuel type.•
Water in fuel.•
Clogged air lter.•