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MAINTENANCE
REPLACE SPARK PLUG
Replace spark plug each year to ensure the
engine starts easier and runs better. Set
spark plug gap at 0.6 mm. Ignition timing is
fixed, nonadjustable.
1. Twist, then pull off spark plug boot.
2. Remove spark plug from cylinder anddis-
card.
3. Replace with Champion RCJ-6Y spark
plug and tighten securely with a 19 mm
socket wrench.
4. Reinstall the spark plug boot.
REPLACE FUEL FILTER
Toreplacefuelfilter,drainunitbyrunningitdryof
fuel, then remove fuel cap/retainer assembly
fromtank.Pullfilterfromtankandremoveitfrom
fuelline.Installnewfuelfilteronfuelline;reinstall
parts.
Fuel Line
Fuel Filter
CHECK MUFFLER MOUNTING
SCREWS
Once each year, ensure muffler mounting
screws are secure and tightened properly to
prevent damage.
Muffler
Mounting Screw
CARBURETOR ADJUSTMENTS
The carburetor has been carefully set at the
factory.Adjustmentsmaybenecessary ifyou
notice any of the following conditions:
S Engine will not idle when the throttle is re-
leased.
Idle Speed Adjustment
Allowengineto idle.Adjust speeduntilengine
runs without stalling (idle speed too slow).
S Turn idle speed screw clockwise to in-
creaseenginespeedif enginestallsordies.
S Turn idle speed screw counterclockwise to
decrease engine speed.
Air
Filter
Cover
Idle Speed Screw
Ifyourequirefurtherassistanceorareunsure
about performing this procedure, contact an
authorized service dealer.