Filter
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Air Filter
Cover
Air Filter
Button
Cleaning the air filter:
1. Clean the cover and the a rea around it to
keepdebris fromfallingintothecarburetor
chamber when the cover is removed.
NOTE: Move choke lever to RUN position
before opening air filter cover.
2. Open air filter cover by pushing button
(see illustration). Remove air filter.
NOTE: Do not clean filter in gasoline or o ther
flammable solvent. Doing so can create a fire
hazard or produce harmful evaporative emis-
sions.
3. Wash the filter in soap and water.
4. Allow filter to dry.
5. Apply a few drops of oil to the filter;
squeeze filter to distribute oil.
6. Replace parts.
REPLACE SPARK PLUG
Replace spark plug each year to ensure the
engine starts easier and runs better. Set
spark plug gap at 0.025 inch (0.6 mm). Igni-
tion timing is fixed, nonadjustable.
1. Twist, then pull off spark plug boot.
2. Remove spark plugfromcylinder anddis-
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
Toreplacefuelfilter,drainunitbyrunningitdry
of fuel, thenremove fuelcap/retainer assem-
bly fromtank.Pullfilterfromtank andremove
itfromthefuelline.Installnewfuelfilteronfuel
line; reinstall parts.
Fuel Line
Fuel Filter
CHECK MUFFLER MOUNTING
SCREWS
Once each year , ensure muffler m ounting
screws are tightened securely to prevent
damage.
Muffler
Mounting
Screw
INSPECT MUF FL ER AND SPARK
ARRESTING SCREEN
WARNING: Themuffler on this prod-
uct contains chemicals known to the State of
California to cause cancer.
As the unit is u sed, carbon deposits build up
on the muffler and spark arresting screen,
and must be removed to avoid creating afire
hazard or affecting engine performance.
Hood
Screws
Spark
Arresting
Screen
Muffler Cover
Replace the spark arresting screen every 50
hoursofoperationorif anydamageorbreaks
in the screen are noted.
NOTE: Donotattemptto cleanthe sparkar-
resting screen.
1. Remove 3 screws from muf fler cover .
Remove muffler cover.
2. Loosen and remove 4 screws from the
muffler hood.
3. Remove the muf fler hood and spark arrest-
ing screen.
4. Install new spark arresting screen.
5. Reinstallmufflerhoodand4screws.Tight-
ensc rews securely.
6. Reinstall muf fler cover and 3 screws.
Tighten securely.
NOTE: Ifany part of the muffler is cracked,
broken or damaged, werecommend that the
muffler be replaced.
CARBURETOR IDLE SPEED
ADJUSTMENT
The carburetor has been carefully set at the
factory.Adjustmentsmay benecessaryifyou
notice any of the following conditions:
S Engine will not idle when t he throttle i s re-
leased.
To adjust idle speed:
Allowenginetoidle.Adjustspeeduntilengine
runs without stalling (idle speed too slow).
S Turn idle speed screw clockwise to in-
creaseenginespeedifenginestalls ordies.
S Turn idlespeedscrew counterclockwise to
decrease engine speed.