INSPECT MUFFLER AND SPARK ARRESTING SCREEN
WARNING: The muffler on this prod- uct contains chemicals known to the State of California to cause cancer.
WARNING: Avoid touching muffler unless engine and muffler are cold. A hot muffler can cause serious burns.
As the unit is used, carbon deposits build up on the muffler and spark arresting screen, and must be removed to avoid creating a fire hazard or affecting engine performance.
Replace the spark arresting screen every 50 hours of operation or if any damage or breaks in the screen are noted.
NOTE: Do not attempt to clean the spark ar- resting screen.
1.Loosen and remove two screws from the heat shield. Remove the heat shield.
2.Loosen and remove both muffler screws and the muffler from the unit.
Screws
Heat
Shield
Muffler
Screws
3. Remove the spark arresting screen.
Spark
Arresting
Screen
Muffler with catalyst
4.Install new spark arresting screen.
5.Reinstall muffler and both muffler screws. Tighten screws securely.
6.Reinstall heat shield and two screws. Tighten screws securely.
NOTE: If any part of the muffler is cracked, broken or damaged, we recommend that the muffler be replaced.
REPLACE SPARK PLUG
Replace spark plug each year to ensure the engine starts easier and runs better. Set spark plug gap at 0.020 inch. Ignition timing is fixed, nonadjustable.
1.Twist, then pull off spark plug boot.
2.Remove spark plug from cylinder and dis- card.
3.Replace with Champion
4.Reinstall the spark plug boot.
CARBURETOR ADJUSTMENTS
Your carburetor is equipped with limiter caps. Carburetor adjustment is a complicated task. We recommend that you take your unit to an authorized service dealer. Damage may occur if you turn the needles beyond the limiter stops.