Filter
Top Products
Troubleshooting
www.BRIGGSandSTRATTON.com
16
Troubleshooting
PROBLEM CAUSE CORRECTION
Engine will not start
Outoffuel Add clean fresh fuel.
g
Carburetor flooded Move the choke control lever to the
RUN position. Then follow the starting
procedure until the engine starts.
Low oil Check oil level. Note: On some
engines, if the oil pressure drops below
4-6 psi (0.2-0.4 kg/cm
2
), an oil
pressure switch will either activate a
warning light or stop the engine.
Fouled spark plug Clean and set spark plug gap.
Oil level is above FULL mark on
dipstick
Drain excess oil from engine to bring oil
level to FULL mark on dipstick.
Engine difficult to start
Stale fuel Drain fuel tank. Fill with fresh fuel.
g
or
E
i
t
i
l
l
Dirt in fuel tank Drain and clean fuel tank. Fill with fresh
fuel.
Engine runs erratically
or
Carburetor out of adjustment Contact Authorized Briggs & Stratton
service dealer.
Engine will not run at full speed
Fouled spark plug Clean and set spark plug gap. If the
spark plug electrode is burned or worn,
replace the spark plug.
Dirty air filter Clean or replace air filter.
Engine smokes excessively
Dirty air filter Clean or replace the air filter.
g
y
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.
Go to www.briggsandstratton.com
or call (800) 233-3723
Need Assistance?