Troubleshooting
Problem
Cause
Remedy
Engine runs erratic
Engine hesitates at high
RPM
Excessive vibration
Uneven cut
1. Unit running
with CHOKE activated.
2. Spark plug wire(s) loose.
3. Blocked fuel line or stale fuel.
4. Ventin
gas cap plugged.
5. Water or dirt in fuel system.
6. Dirty air cleaner.
1. Spark plug(s) gap too close.
1. Cutting
blade loose or unbalanced.
2. Damaged
or bent cutting
blade.
1. Deck not leveled properly.
2. Dull blade.
3. Uneven tire pressure.
1. Push CHOKE control in.
2. Connect spark plug wire(s).
3. Clean fuel line; fill tank with clean, fresh
gasoline and replace fuel filter.
4. Clearvent
or replace cap if damaged.
5. Drain fuel tank. Refill with clean, fresh
gasoline.
6. Replace air cleaner paper element
or clean
foam precleaner.
1. Remove spark plug(s) and resetthe
gap.
1. Tighten
blade and spindle.
2. Replace blade.
1. Perform side-to-side
deck adjustment.
2. Sharpen or replace blade.
3. Check tire pressure in all four tires.