Not for
Reproduction
13
Maintenance
Service Air Cleaner
Your engine will not run properly and may be damaged if
you run it with a dirty air cleaner. Clean or replace more
often if operating under dusty or dirty conditions.
NOTICE
Do not use pressurized air to clean the filter.
Pressurized air can damage the filter.
To service the air cleaner, follow these steps:
1. Unclamp latches that hold on the cover.
2. Remove cover and foam air filter.
3. Wash the foam air filter in liquid detergent and water.
Squeeze dry the foam air filter in a clean cloth.
NOTICE
If the filter is excessively dirty, replace with a
new filter. See
Common Service Parts.
4. Saturate the foam air filter with clean engine oil. To
remove the excess engine oil, squeeze the foam air
filter in a clean cloth.
5. Reinstall clean or new foam air filter.
6. Reinstall the air filter cover and re-clamp latches.
Service Spark Plug
Changing the spark plug will help your engine to start
easier and run better.
1. Clean area around spark plug.
2. Remove and inspect spark plug.
3. Replace spark plug if electrodes are pitted, burned
or porcelain is cracked. Use the recommended
replacement spark plug. See
Common Service Parts
.
4. Check electrode gap with wire feeler gauge and reset
spark plug gap to recommended gap if necessary
(see
Specifications
).
5. Install spark plug and tighten firmly.
Inspect Muffler and Spark Arrester
The engine exhaust muffler has a spark arrester screen.
Inspect the muffler for cracks, corrosion, or other damage.
Inspect spark arrester screen for damage or carbon
blockage. Clean if carbon blockage is found using brush
and commercial solvent or replace if damaged.
WARNING!
Contact with muffler area could
cause burns resulting in serious injury.
• Do not touch hot parts.
• It is a violation of California Public Resource Code, Section
4442, to use or operate the engine on any forest-covered,
brush-covered, or grass-covered land unless the exhaust
system is equipped with a spark arrester, as defined
in Section 4442, maintained in effective working order.
Other states or federal jurisdictions may have similar laws,
reference Federal Regulation 36 CFR Part 261.52.
Replace spark arrester as follows:
1. Remove four screws that connect heat shield to
muffler.
2. Remove four screws that attach spark arrester screen.
3. Obtain a replacement screen. See
Common Service
Parts
.
4. Reattach screen and muffler guard.
Common Service Parts
Air Cleaner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 594234
Spark Plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 798615
Engine Oil Bottle . . . . . . . . . . . . . . . . . . . . . . . . 100028
Synthetic Oil Bottle . . . . . . . . . . . . . . . . . . . . . . 100074
Fuel Stabilizer . . . . . . . . . . . . . . . . . 100120 or 100117
Spark Arrester . . . . . . . . . . . . . . . . . . . . . . . . 83083GS
Contact an authorized service dealer or
BRIGGSandSTRATTON.com for a full list of parts and
diagrams.
Muffler
Spark Arrester Screen
Screws
Screws
Heatshield
Latches
Filter
Cover