A
B
C
Servicing the Air Filter
NOTICE: Do not use pressurized air or solvents to clean the 
lter. Pressurized air can damage the lter and solvents will 
dissolve the lter.
1.  Unscrew and remove cover (A, Figure 11). 
2.   Remove air cleaner assembly (B) and disassemble.
3.   Clean up any possible debris that might get into the 
carburetor throat (C). 
NOTE: Replace pre-cleaner/cartridge when dirty or 
damaged.
 WARNING
 Fuel and its vapors are extremely flammable and 
explosive.
     Fire or explosion can cause severe burns or 
death.
•   Never start or run the engine with the air cleaner 
assembly or air filter removed..
Pre-Cleaner Cleaning
1.  Wash in soapy water with liquid detergent.
2.  Squeeze dry in clean cloth.
Cartridge Cleaning
Tap gently on at surface to remove light debris. Do not 
attempt to clean cartridge.
Figure 11
 WARNING
 Running engine produces heat. Engine parts, 
especially muffler, become extremely hot.
  Severe thermal burns can occur on contact.
   Combustible debris, such as leaves, grass, brush, 
etc. can catch fire.
 •   Allow muffler, engine cylinder and fins to cool before 
touching.
 •  Remove visible debris from engine compartment.
  WARNING
 Replacement parts must be the same position as 
the original parts or re could result.
To service the muffler, see an authorized dealer.
Clean Spark Plug
Clean with wire brush and sturdy knife. Do NOT use 
abrasives (see Figure 12).
Servicing the Spark Plugs
 WARNING
 Unintentional sparking can result in fire or electric 
shock.
   Unintentional start-up can result in entanglement, 
traumatic amputation, or laceration.
When testing for spark:
•  Use approved spark plug tester.
•  Do not check for spark with spark plug removed.
CAUTION: Spark plugs have different heat ranges. It is 
important that the correct spark plug is used, otherwise, 
engine damage can occur. 
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