19
TROUBLESHOOTING
WARNING: Always stop the unit and disconnect the spark plug before performing all
of the recommended remedies below except remedies that require operation of the unit.
TROUBLE: Engine will not start or will run only a few seconds after starting.
CAUSE
REMEDY
1. Ignition switch off.
See “STARTING” in the STARTING AND STOPPING
section.
2. Engine flooded.
See “Starting a Flooded Engine” in the
OPERATION section.
3. Fuel tank empty.
Fill tank with correct fuel mixture. See “FUELING
THE ENGINE” in the STARTING AND STOPPING
section.
4. Spark plug not firing.
Install new spark plug. See “SPARK PLUG” in the
MAINTENANCE section.
5. Fuel not reaching carburetor.
Check for dirty fuel filter; replace.
Check for kinked or split fuel line. For repair or
replacement, contact a Sears or other qualified
service dealer.
TROUBLE: Engine will not idle properly.
CAUSE
REMEDY
1. Idle speed r e q u i r e s adjustment.
See “CARBURETOR ADJUSTMENT” in the
MAINTENANCE Section.
2. Carburetor requires adjustment.
Contact a Sears or other qualified service dealer.
TROUBLE: Engine will not accelerate, lacks power, or dies under a load.
CAUSE
REMEDY
1. Air filter dirty.
Clean or replace air filter.
2. Spark plug fouled.
Clean or replace plug and regap.
3. Chain brake locked.
Unlock chain brake. See “STARTING POSITION”
in the STARTING AND STOPPING section.
4. Carburetor requires adjustment.
Contact a Sears or other qualified service dealer.
TROUBLE: Engine smokes excessively.
CAUSE
REMEDY
1. Too much oil mixed with gasoline.
Empty fuel tank and refill with correct fuel mixture.
TROUBLE: Chain moves at idle speed.
CAUSE
REMEDY
1. Idle speed r e q u i r e s adjustment.
2. Clutch requires repair.
See “CARBURETOR ADJUSTMENT” in the
MAINTENANCE Section.
Contact a Sears or other qualified service dealer.
