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Maintenance
Service Air Cleaner
WARNING! Fuel and its vapors are extremely
flammable which could cause burns or fire
resulting in death or serious injury.
Do not start and run engine with air filter removed.
Your engine will not run properly and may be damaged if
you run it with a dirty air filter. 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. Loosen the two maintenance cover screws and
remove the maintenance cover.
2. Remove three air cleaner cover screws and slide air
cleaner assembly out.
3. Carefully remove foam air cleaner from the assembly.
4. Carefully remove breather filter from the base by
pulling it out towards you.
5. Wash foam air cleaner and breather filter in liquid
detergent and water only. Squeeze dry in a clean
cloth.
6. SATURATE foam air cleaner in clean engine oil and
squeeze in a clean cloth to remove excess oil.
7. Reinstall clean or new foam air cleaner inside assembly.
8. Reinstall clean or new breather filter inside base.
9. Slide air cleaner assembly into base and tighten screws.
10. Reinstall the maintenance cover and hand tighten the
cover screws.
Service Spark Plug
Changing the spark plug will help your engine to start
easier and run better.
1. Loosen the two maintenance cover screws and
remove the maintenance cover.
2. Clean area around spark plug and remove spark plug
boot.
3. Remove spark plug and inspect spark plug.
4. Replace spark plug if electrodes are pitted, burned
or porcelain is cracked. Use the recommended
replacement spark plug. See Common Service Parts.
5. Check electrode gap with wire feeler gauge and reset
spark plug gap to recommended gap if necessary
(see Specifications).
6. Install spark plug and tighten firmly. Reinstall spark
plug boot.
7. Reinstall maintenance cover and hand tighten screws.
Inspect Spark Arrester
Inspect spark arrester for damage or carbon blockage. If
damage is found or cleaning is needed, see a Briggs &
Stratton Authorized Service Dealer.
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.
Common Service Parts
Air Cleaner ...........................84001978
Breather Filter. . . . . . . . . . . . . . . . . . . . . . . . . 84001981
Spark Plug ...........................84001980
Engine Oil Bottle ........................100028
Synthetic Oil Bottle ......................100074
Contact an authorized service dealer or
BRIGGSandSTRATTON.com for a full list of parts and
diagrams.
Air Cleaner
Breather Filter
Screws
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