Problem
Engine will not start
Starter does not turn the engine over
Engine runs rough
Engine seems weak
Machine vibrates
TRoUBlESHooTING
Cause
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Blade switch is engaged.
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Steering controls are not locked in the neutral position
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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 shutoff valve for the fuel tank is in
the wrong position
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Clogged fuel filter or fuel line
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Ignition system faulty
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Battery is dead
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Poor contact of the battery terminal cable connections
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Blown fuse
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fault in the starter safety circuit. See Checking the Safety
System in the "Maintenance Section"
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faulty carburetor
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Choke control is pulled out with a warm engine
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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 plugs
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Rich fuel mixture or fuel-air mixture.
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Wrong fuel type
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Water in fuel
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Clogged air filter
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Clogged air filter
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fouled spark plugs
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Carburetor incorrectly adjusted
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Air trapped in hydraulic system
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Blades are loose
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Blades are incorrectly balanced
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Engine is loose
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