Diagnose & Troubleshoot
Yard Machines Riding Mower

Engine fails to start Possible Causes and Corrective Actions

PTO / Blade engagement control engaged
Place control lever in disengaged (OFF) position.
Parking brake not engaged
Engage parking brake.
Spark plug wire disconnected
Connect wire to spark plug.
Throttle control lever not in correct starting position
Place throttle control lever into FAST (START) position.
Fuel tank empty, or stale fuel
Fill tank with clean, fresh fuel.
Blocked fuel line
Clean fuel line.
Faulty spark plug
Clean, adjust gap, or replace.
Engine flooded
Crank engine with throttle in FAST position.
Fuse(s) blown
Replace blown fuse.