10
GB
TROUBLE SHOOTING THE ENGINE
PROBLEM
Unit won’t start or starts but will not run.
Unit starts, but engine has low power.
Engine hesitates.
No power under load.
Runs erratically.
Smokes excessively.
PROBABLE CAUSE
Incorrect starting procedures.
Incorrect carburetor mixture adjustment
setting.
Fouled spark plug
Fuel filter plugged.
Incorrect lever position on choke.
Dirty air filter.
Incorrect carburetor mixture adjustment
setting.
Incorrect carburetor mixture adjustment
setting.
Incorrectly gapped spark plug.
Incorrect carburetor mixture adjustment
setting.
Incorrect fuel mixture.
CORRECTIVE ACTION
Follow instructions in the User Manual.
Have carburetor adjusted by an Authorized
Service Center.
Clean / gap or replace plug.
Replace fuel filter.
Move to RUN position.
Remove, clean and reinstall filter.
Have carburetor adjusted by an Authorized
Service Center.
Have carburetor adjusted by an Authorized
Service Center.
Clean / gap or replace plug.
Have carburetor adjusted by an Authorized
Service Center.
Use properly mixed fuel (25:1 mixture).
•
REMOVING A UNIT FROM STORAGE
1. Remove spark plug.
2. Pull starter rope briskly to clear excess oil from com-
bustion chamber.
3. Clean and gap spark plug or install a new spark plug
with proper gap.
4. Prepare unit for operation.
5. Fill fuel tank with proper fuel / oil mixture. See Fuel and
Lubrication Section.
