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MAINTENANCE
ENGINE AND ENGINE PARTS
We recommend that you see an authorized Briggs & Stratton Service Dealer for all maintenance and service of the engine
and engine parts. Use only genuine Briggs & Stratton parts.
WARNING
If you perform any maintenance on the engine, first disconnect the spark plug wire
from the spark plug, and disconnect the battery at the negative terminal (electric
starter engines only) to prevent unintentional sparking. Unintentional sparking can
result in fire or electric shock. Unintentional start-up can result in entanglement,
traumatic amputation or laceration. Use only correct tools.
WARNING
• Do not strike the flywheel with a hammer or hard object because the flywheel may
later shatter during operation.
• Do not tamper with governor spring, links or other parts to increase engine speed.
Replacement parts for the muffler
must be the same and installed in the
same position as the original parts,
otherwise fire can occur.
WARNING
If muffler is equipped with spark arrester screen, remove
screen for inspection. Replace screen if damaged or
plugged.
MUFFLER
SPARK PLUG
Use only Briggs & Stratton Spark Tester (part number
19368) to check for spark.
Check the spark plug every season. Replace the spark plug
if upon inspection the electrodes are burned or worn.
Ensure the spark plug is clean. Check the gap with a feeler
gage and reset to 0.030 in. (0.76 mm) if necessary.
Note: In some areas, local law requires using resistor
spark plug to suppress ignition signals. If this engine was
originally equipped with resistor spark plug, use same
type for replacement.
.030” (0.76 mm)
WIRE GAGE
REPLACE FUEL FILTER (if equipped)
WARNING
EXTENDED LIFE SERIES™ FUEL FILTER
PART NO. 695666 OR 5070
(WITH FUEL PUMP)
Drain fuel tank or close
fuel shut-off valve before
replacing fuel filter.
Otherwise, fuel can leak
out, creating a fire/ex-
plosion hazard.
STANDARD FUEL FILTER
FUEL HOSE
CLAMPS
PART NO. 298090 OR 5018
(WITHOUT FUEL PUMP)
PART NO. 394358
(WITH FUEL PUMP)
Debris may clog the engine’s air cooling system. Remove
blower housing and clean area shown to prevent
overheating and engine damage.
AIR COOLING SYSTEM
CLEAN OUT CHAFF AND
DEBRIS