1. Twist, then pull off spark plug boot.
2. Remove spark plug from cylinder and dis-
card.
3. Replace with Champion RCJ-6Y spark
plug and tighten securely with a 3/4 inch
(19 mm) socket wrench.
4. Reinstall the spark plug boot.
REPLACE FUEL FILTER
To replace fuel filter, drain unit by running it dry
of fuel, then remove fuel cap/retainer assem-
bly from tank. Pull filter from tank and remove
it from the fuel line. Install new fuel filter on fuel
line; reinstall parts.
Fuel Filter
Fuel Line
CHECK MUFFLER MOUNTING
SCREWS
Once each year, ensure muffler mounting
screws are tightened securely to prevent
damage.
WARNING:
steps after each use:
S Allow engine to cool, and secure the unit
before storing or transporting.
S Store unit and fuel in a well ventilated area
where fuel vapors cannot reach sparks or
open flames from water heaters, electric
motors or switches, furnaces, etc.
S Store unit with all guards in place. Position
unit so that any sharp object cannot acci-
dentally cause injury.
S Store unit and fuel well out of the reach of
children.
SEASONAL STORAGE
Prepare unit for storage at end of season or if
it will not be used for 30 days or more.
If your unit is to be stored for a period of time:
Muffler
Mounting
Screw
STORAGE
Perform the following
MUFFLER AND SPARK ARREST-
ING SCREEN
WARNING:
uct contains chemicals known to the State of
California to cause cancer.
NOTE:
THE SPARK ARRESTING SCREEN
ON THIS UNIT IS NOT SERVICEABLE.
For normal homeowner use, the muffler and
spark arresting screen will not require replace-
ment. After 50 hours of use, we recommend
that your muffler be replaced by your authorized
service dealer.
CARBURETOR IDLE SPEED
ADJUSTMENT
The carburetor has been carefully set at the
factory. Adjustments may be necessary if you
notice any of the following conditions:
S Engine will not idle when the throttle is re-
leased.
To adjust idle speed:
Allow engine to idle. Adjust speed until engine
runs without stalling (idle speed too slow).
S Turn idle speed screw clockwise to in-
crease engine speed if engine stalls or dies.
S Turn idle speed screw counterclockwise to
decrease engine speed.
Idle Speed Screw
Air
Filter
Cover
If you require further assistance or are unsure
about performing this procedure, contact an
authorized service dealer or call customer
support.
S Clean the entire unit before lengthy stor-
age.
S Store in a clean dry area.
S Lightly oil external metal surfaces.
FUEL SYSTEM
Under FUELING ENGINE in the OPERA-
TION section of this manual, see message la-
beled IMPORTANT regarding the use of ga-
sohol in your engine.
Fuel stabilizer is an acceptable alternative in
minimizing the formation of fuel gum deposits
during storage. Add stabilizer to gasoline in fuel
tank or fuel storage container. Follow the mix
instructions found on stabilizer container. Run
engine at least 5 minutes after adding stabilizer.
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The muffler on this prod-