16
INSPECT AND CLEAN UNIT ANDDECALS
SAfter each use, inspect complete unit for
loose or damaged parts. Cleanth e unitand
decals using a damp cloth with a mild deter -
gent.
SWipeoff unit w ith a clean dry cloth.
CHECK CHAIN BRAKE
See CHAIN BRAKE in the OPERATION
section.
CLEAN AIR FILTER
CAUTION:Do not clean filter in gasoline or
other flammable solvent to avoid creating a
firehazard or produc ing harmful evaporative
emissions.
Cleaning the airfilter:
Adirty air filter decreas es the life and perfor-
manceof the engine and increas es fuel con-
sumption and harmful emissions. Always
cleany our air filter after 10 tanks of fuel or 5
hours of operation, whichever comes first.
Cleanmore frequently in dusty c onditions. A
used air filter can never be completely
cleaned.It is advisable t o replace your air fil-
terwith a new one after ev ery 50 hours of op-
eration, or annually,w hichever comes first.
1. Loosen 3 screws on cyli nder cover.
2. Remove cylinder cover.
3. Remove air filter cover and air filter.
4. Clean the air filter using hot soapy water.
Rinsewith clean cool w ater.Air dry com-
pletely before reinstalling.
5. Reinstall air filter and air filter cover.
6. Reinstall cylinder cover and 3 s crews.
Tightens ecurely.
Air Filter
Cover
Cylinder
Cover
Air Filter
INSPECT MUFFLER AND SPARKARRESTING SCREEN
Asthe unit is us ed, carbon deposits build up
on the muffler and spark arresting s creen,
andmust be removed to av oidcr eating afire
hazard or affecting engine performance.
Replacethe spark arresting s creen if breaks
occur.
Nut
Exhaust
Outlet
Cover
Muffler
Spark
Arresting
Screen
CLEANINGTHE SPARK ARREST-ING SCREEN
Cleaning is required every 25 hours ofop-
eration or annually,w hichever comes first.
1. Loosen and remove the nut from the ex-
haust outlet cover.
2. Remove the exhaust oulet cover.
3. Remove spark arresting sc reen. Handle
screen carefully to prevent damage.
4. Clean the spark arresting s creen gently
with a wire brush. Replace screen if
breaks are found.
5. Replace any broken or cracked muffler
parts.
6. Reinstall spark ar resting screen, exhaust
outletc over, and nut. Tighten nut securely.
REPLACE SPARKPLUG
The spark plug should be replaced each
year to ensure the engine starts easier and
runs better. Ignition timing is fixed and non-
adjustable.
NOTE: This spark ignition system complies
with the Canadian standard ICES--002.
1. Loosen 3 screws on cyli nder cover.
2. Remove the cylinder cover.
3. Pull off the spark plug boot.
4. Remove spark plug from cylinder and
discard.
5. Replace with Champion RCJ--7Y spark
plugand tighten sec urely with a 3/4inch
(19mm) s ocket wrench. Spark plug gap
should be 0.025 inch (0,6 mm).
6. Reinstall the spark plug boot.
7. Reinstall the c ylinder cover and 3
screws. Tighten securely.
Spark
Plug
Cylinder
Cover
Spark
Plug Boot