Yazoo/Kees ZMKW52212 User Manual
English
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48
TROUBLE SHOOTING
problem
Cause
The engine will not start.
Blade switch is engaged.
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Steering controls are not locked in the neutral position.
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Driver is not sitting in the driver’s seat.
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Parking brake is not activated.
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Battery is dead.
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Contamination in the carburetor or fuel line.
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Fuel supply is closed or the shut-off valve for the fuel tank is
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in the wrong position.
Clogged fuel filter or fuel line.
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The starter does not turn the engine over.
Dead battery.
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Poor contacts on the battery terminal cable connections.
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Fuse blown.
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Ignition system faulty.
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Fault in the starter safety circuit.
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See Checking the Safety System in the
“Maintenance” section
The engine runs rough.
Faulty carburetor.
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Choke control is pulled out with a warm engine.
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Defective valves.
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Defective piston, cylinder, piston ring, or cylinder head seal.
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Cylinder head bolts are loose.
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Clogged fuel filter or jet.
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Clogged ventilation valve on the fuel cap.
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Fuel tank nearly empty.
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Fouled spark plug.
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Spark plug is loose.
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Defective ignition cable.
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Defective spark plug electrode.
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Defective spark plug connection.
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Rich fuel mixture or fuel-air mixture.
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Wrong fuel type.
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Water in the fuel.
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Clogged air filter.
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Air trapped in hydraulic system.
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The engine seems weak.
Clogged air filter.
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Defective spark plugs.
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Carburetor incorrectly adjusted.
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The engine seems weak.
Clogged air filter.
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Fouled spark plugs.
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Carburetor incorrectly adjusted.
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Battery not charging.
Poor contact with battery terminal cable connectors.
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