Spark Plug; Brake - Arctic Cat 120 Sno Pro Operator's Manual

2. Remove the foam filter from the
housing.
3. Clean the foam filter in a non-
flammable cleaning solvent; then
allow the filter to dry.
 NOTE: Foam Filter Cleaner (p/n
0436-194) and Foam Filter Oil (p/n
0436-195) are available from Arctic
Cat.
4. Put the dry filter in a plastic bag;
then pour in recommended air fil-
ter oil and work the oil into the fil-
ter.
CAUTION
A torn air filter can cause damage
to the engine. Contaminants may
get inside the engine if the filter is
torn. Carefully examine the filter for
tears before and after cleaning it.
Replace the filter with a new one if
it is torn.
5. Clean any debris from inside the
air cleaner. Be sure no debris
enters the carburetor.
6. Place the filter into the housing.
7. Place the air cleaner cover onto the
housing; then secure with the two
screws.

SPARK PLUG

This Snowmobile comes equipped with
a specified spark plug. See the specifi-
cations chart for the correct spark plug.
A light brown insulator indicates that
the plug is correct. A white or dark
insulator indicates that the engine may
need to be serviced or the carburetor
may need to be adjusted. Consult an
authorized Arctic Cat Snowmobile
dealer if the plug insulator is not a light
brown color. To help prevent cold
weather fouling, make sure to thor-
oughly warm up the engine before
operating.
To maintain a hot, strong spark, keep
the plug free of carbon.
Before removing the spark plug, be
sure to clean the area around the spark
plug. If you do not, dirt could enter
engine when removing or installing the
spark plug.
Adjust the gap to specified amount (see
specifications chart) for proper igni-
tion. Use a feeler gauge to check the
gap.
When installing the spark plug, be sure
to tighten it securely. A new spark plug
should be tightened 1/2 turn once the
washer contacts the cylinder head. A
used spark plug should be tightened 1/8
- 1/4 turn once the washer contacts the
cylinder head.

BRAKE

! WARNING
DO NOT operate the snowmobile
when any component in the brake
system is damaged, worn, or
adjusted improperly.
Arctic Cat recommends that the com-
plete brake system be checked daily for
wear or damage and for smooth opera-
tion. Periodically, the brake band
should be inspected for cracks and to
ensure the liner is intact and not worn
excessively. Replace the brake band if
cracked or worn excessively.
Checking Brake Lever
Travel
1. Compress the brake lever fully.
ATV0052B
13