Product Manual

Page 23 of 27
Problem(s)
Possible Cause
Corrective Action
Spark plug is soiled.
Remove spark plug.
Clean/replace as recommended
in engine manual.
No compressions. Problem after
long storage periods.
Lubricate the cylinder, pour
tablespoon of oil into spark plug
hole. Crank engine a few times
and try to start again.
Low engine oil.
Add engine oil to proper level.
Engine exhaust is black
Dirty air filter.
Replace air filter.
Choke closed.
Open choke.
Engine stops suddenly
Fuel tank empty or full of impure
or low quality gasoline.
Add fuel tank with fresh
unleaded gasoline.
Low oil shut-down.
Fill engine oil to proper level.
Disconnected or improperly
connected spark plug cap.
Secure spark plug cap.
Engine runs but no material is
discharged
Discharge chute clogged.
Clean out debris.
Engine not running at full
speed.
Set throttle control to FAST if
equipped.
Vacuum not working
Hose not attached properly.
Clear blockage or replace.
Engine not running at full RPM.
Set throttle control to FAST if
equipped.