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Engine does not turn over.
Engine turns over but will not start.
Engine starts only after repeated tries.
Engine runs roughly.
Engine stalls in a few seconds.
Engine runs but unit does not move.
Wheel drive always engaged.
Engine stalls when hot.
Engine overheats.
Engine does not shut off.
Blade drive inoperative.
Blade drive always engaged.
Battery not charging (if applicable).
Poor mowing performance.
Blade does not stop when Operator
Presence Control is released.
Excessive vibration.
Engine malfunction (refer to engine manual). • •••• ••• •
Improperly adjusted drive linkage. •• •• • • •
Dirty engine cooling fins or flywheel screen. •
Faulty ignition. • •••• • •
Faulty spark plug. • ••• •
Empty fuel tank. • •••
Battery or charging malfunction (if applicable). •• • •
Improperly adjusted or dirty carburetor. •••• •
Improper oil level. ••
Dirty air cleaner element. ••• •
Improperly adjusted choke (if applicable). •••• •
Transmission malfunction. ••
Improperly adjusted drive linkage. •• •• •
Broken, loose or worn belt(s). ••• •••
Dull blade(s). ••
Throttle control out of adjustment. •• •
Blade/brake system out of adjustment. •• •
Blade(s) out of balance. ••
Loose hardware. •• •
Troubleshooting Chart
ATTENTION! This table describes service
guidelines only. It does not provide com-
plete service information. Complete service
is available from your authorized mower or
engine dealer. Before performing any of the
corrections in this table, refer to the appro-
priate information contained in this Manual
or the Engine Owner’s Manual for the cor-
rect safety precautions and operating or
maintenance procedures.
Possible cause
Symptom
Section 5: Maintenance
Before inspecting, cleaning or servicing the machine, shut off engine, wait for moving parts to stop, disconnect spark
plug wire and move wire away from spark plug. Remove ignition key (electric start models).
Failure to follow these instructions can result in serious personal injury or property damage.
WARNING