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SECTION 11: TROUBLE-SHOOTING GUIDE
PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION
Engine fails to start 1. Blade control handle disengaged
2.Spark plug wire disconnected
3.Throttle control lever not in starting position
4.Fuel tank empty, or stale fuel
5.Blocked fuel line
6.Faulty spark plug
7.Engine flooded
1.Engage blade control handle
2.Connect wire to spark plug
3.Move throttle lever to correct position
4.Fill up tank with fresh gasoline
5.Clean fule line
6.Clean, adjust gap, or replace
7.Crank engine with throttle in FAST
Engine runs erratic 1. Spark plug wire loose
2.Blocked fuel line or stale fuel
3.Vent in gas cap plugged
4.Water or dirt in fuel system
5.Dirty air cleaner
1. Connect and tighten spark plug wire.
2.Clean fuel line, fill tank with clean, fresh
gasoline.
3.Clear vent.
4.Drain fuel tank. Refill with fresh fuel.
5.Clean air cleaner. Refer to engine
manual.
Engine overheats 1. Engine oil level low
2.Air flow restricted
1. Fill crankcase with proper oil.
2.Clean lawn mower engine.
Excessive vibration 1. Cutting blade loose or unbalanced
2.Bent cutting blade
3.Bent engine crankshaft
1. Tighten blade and adapter, balance
blade.
2.Replace blade.
3.Contact your nearest service center
Mower will not
mulch grass
1. Engine speed too low
2.Wet grass
3.Excessively high grass
4.Dull blade
1. Move throttle lever to FAST position.
2.Wait until later to cut.
3.Mow once at a high cutting height, then
mow again at desired height.
4.Sharpen or replace blade.
Uneven cut 1. Wheels not in same height position
2.Dull blade
1. Place all four wheels in same relative
height position.
2.Sharpen or replace blade.
For repairs beyond the minor adjustments listed above, please
contact your nearest service center or call 1(800) 800-7310.