TROUBLESHOOTING
Problem
Cause
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 filter or fuel line
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 Safety System in the
Maintenance section
Engine runs rough
•
Faulty carburetor
•
Cold control used with warm engine
•
Defective valves
•
Defective piston, cylinder, piston ring, or
cylinder head seal
Cylinder head bolts are loose
Clogged fuel filter 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 filter
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