Troubleshooting
13
en
PROBLEM CAUSE CORRECTION
Engine will not start Out of fuel Add clean fresh fuel.
Carburetor flooded Move the throttle control lever (if equipped) to the
FAST position. Then follow the starting procedure
until the engine starts.
Low oil Check oil level. Add to FULL mark on dipstick.
Oil level is above FULL mark on
dipstick
Drain excess oil from engine to bring oil level to
FULL mark on dipstick.
Fouled spark plug Clean and set spark plug gap. If the spark plug
electrode is burned or worn, replace the spark
plug.
Engine difficult to start
Stale fuel Drain fuel tank. Fill with fresh fuel.
or
Engine runs erratically
Dirt in fuel tank Drain and clean fuel tank. Fill with fresh fuel.
or
Engine will not run
at full speed
Carburetor out of adjustment Contact an Authorized Briggs & Stratton service
dealer.
Dirty air filter Clean or replace air filter.
Fouled spark plug Clean and set spark plug gap. If the spark plug
electrode is burned or worn, replace the spark
plug.
Engine smokes excessively Oil level is above FULL mark on
dipstick
Drain excess oil from engine to bring oil level to
FULL mark on dipstick.
Dirty air filter Clean or replace the air filter.
Fouled spark plug Clean and set spark plug gap. If the spark plug
electrode is burned or worn, replace the spark
plug.
Excessive vibration Loose parts on engine or
equipment
Stop engine immediately. Tighten all fasteners. If
vibration continues, take the unit to an Authorized
Briggs & Stratton service dealer.
Need Assistance? Go to BRIGGSandSTRATTON.com or call (800) 233-3723