Troubleshooting
Problem
Cause
i
Remedy
Engine runs erratic
Occasional
skips
(hesitates) at
high speed
Excessive Vibration
1. Spark plug boot loose.
2. Blocked fuel line or stale fuel.
3. Ventin
gas cap plugged.
4. Water or dirt in fuel system.
5. Dirty air cleaner.
6. Unit running
with CHOKE (if equipped)
applied.
1. Spark plug gap too close.
1. Cutting
blade loose or unbalanced.
2. Bent cutting
blade.
1. Connect and tighten
spark plug boot.
2. Clean fuel line; fill tank with clean, fresh
gasoline.
3. Clear vent.
4. Drain fuel tank. Refill with fresh fuel.
5. Referto engine manual.
6. Push CHOKE knob in.
1. Adjust gap to .030".
1. Tighten
blade and adapter. Balance blade.
2. See an authorized
service dealer.
Continued
on next page
19