
In the USA and Canada, a 24 hour hot line, 1-800-233-3723, has a menu of pre-recorded messages offering you engine maintenance information.
7
Maintenance
See Maintenance Schedule, page 8. Follow the hourly or calendar intervals, whichever occur first.
Note that more frequent service is required when operating in adverse conditions.
Keep engine and parts clean.
With a brush or cloth, remove grass, chaff or debris from
debris guard or rotating screen daily or more often if needed
to prevent engine damage caused by overheating. Do not
clean with a forceful spray of water because water could
contaminate fuel system.
Rotating screen
Debris guard
ROTATING
SCREEN
DEBRIS
GUARD
To assure smooth operation, keep governor linkage, springs
and controls free of debris.
Linkage, springs & controls
CLEAN
Replace in-line fuel filter. See an Authorized Briggs & Stratton
Service Dealer for correct replacement.
Fuel filter
PART NO. 394358 (WITH FUEL PUMP)
PART NO. 298090 OR 5018 (WITHOUT FUEL PUMP)
FILTER
Drain fuel tank or
close fuel shut-off valve
before replacing fuel filter.
Grass, chaff or debris may clog the air cooling system,
especially after prolonged operation cutting tall, dry grass.
Remove blower housing and clean area shown to prevent
overheating and engine damage.
Air cooling system
CLEAN AREA OF
ALL DIRT AND DEBRIS
.030” (0.76 mm)
WIRE GAGE
RESISTOR
PART NO. 802592
Spark plug
Use only Briggs & Strat-
ton Spark Tester, Part No.
19368, to check for spark.
Replace or clean spark
plugs. Do not blast clean.
Clean by scraping or wire
brushing and washing
with a commercial solvent.
Note: In some areas, local law requires using resistor spark plugs
to suppress ignition signals. If this engine was originally equipped
with resistor spark plugs, use same type for replacement.
Remove combustion deposits.
Remove cylinder heads and cylinder head shields every
100-300 hours of operation. Scrape and wire brush combus-
tion deposits from cylinders, cylinder heads, tops of pistons
and around valves. Use a soft brush to remove deposits.
Reassemble cylinder heads and cylinder head shields with
new gaskets. Turn screws down finger tight, with the three
longer screws, if equipped, around exhaust valve. Torque
cylinder head screws in a staggered sequence to 165 in.-lbs.
(18.65 Nm).
Fill in both sides, clip and return to:
Briggs & Stratton Corporation
P.O. Box 1144
Milwaukee, WI 53201-1144 U.S.A.
Your Engine
Type
Code
Model
273688
See any Authorized Briggs & Stratton
Service Dealer. Insist on
Genuine
Briggs & Stratton parts! Non-original
parts may not perform as well and
may void your warranty.
To obtain a complete Parts List of
Genuine Briggs & Stratton Parts for
your engine, fill in both sides of this
order form carefully. We cannot fill
your order without the correct
Engine Model/Type/Code. (Please
allow 3 to 4 weeks for delivery.)
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