Product Manual
Problem Cause Remedy
Engine fails to start Choke not activated.
Fuel tank empty, or stale fuel. 2.
Blocked fuel line.
Faulty spark plug. 4.
Engine flooded. 5.
Dead battery (electric start models only).6.
Blown fuse.7.
position.
2.
old) gas.
Clean fuel line and replace fuel filter.
Clean, adjust gap or replace plug. 4.
Crank engine with throttle in FAST position. 5.
Recharge battery.6.
Replace blown fuse.7.
Engine runs erratically
Spark plug wire(s) loose. 2.
Blocked fuel line or stale fuel.
Vent in gas cap plugged. 4.
Water or dirt in fuel system. 5.
Dirty air cleaner. 6.
position.
Connect spark plug wire(s). 2.
Clean fuel line; fill tank with clean, fresh
gasoline and replace fuel filter.
Clear vent or replace cap if damaged. 4.
Drain fuel tank. Refill with clean, fresh 5.
gasoline.
Replace air cleaner paper element. 6.
Engine overheats Engine oil level low.
Air flow restricted. 2.
Fill crankcase with proper amount and
weight of oil.
Clean grass clippings and debris from around 2.
Engine hesitates at high
Spark plug gap too close. Remove spark plug and reset the gap.
Engine Idles poorly Spark plug fouled, faulty or gap too wide.
Dirty air cleaner. 2.
Replace spark plug. Set plug gap.
Replace air cleaner element and/or clean 2.
pre-cleaner.
Excessive vibration Cutting blade loose or unbalanced.
Damaged or bent cutting blade. 2.
Tighten blade and spindle.
Replace blade. 2.
Mower will not mulch grass Engine speed too low.
Wet grass. 2.
Excessively high grass.
Dull blade. 4.
Do not mulch when grass is wet. 2.
Mow once at a high cutting height, then
mow again at desired height or make a
narrower cutting swath.
Sharpen or replace blade. 4.
Uneven cut Deck not leveled properly.
Dull blade. 2.
Uneven tire pressure.
Sharpen or replace blade. 2.
Check tire pressure in rear tires.
Troubleshooting
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