In-Line Fuel Filter; Air Cleaner/Filter - Arctic Cat 120 Sno Pro Operator's Manual

3. Tighten the throttle cable jam nuts.
! WARNING
DO NOT operate the snowmobile
when any component in the throt-
tle system is damaged, frayed,
kinked, worn, or
adjusted. If the snowmobile is
operated when the throttle system
is not functioning properly, per-
sonal injury could result.
Speed Control Screw
The maximum speed of the snowmo-
bile can be reduced by adjusting the
speed control screw.
To reduce the maximum speed, rotate
the speed control screw clockwise. DO
NOT EVER INCREASE THE MAXI-
MUM SPEED BEYOND THE ORIGI-
NAL 8 MPH MAXIMUM!

IN-LINE FUEL FILTER

! WARNING
Whenever any maintenance or
inspection is made on a fuel sys-
tem when there may be fuel leak-
age, there should be no welding,
smoking, open flames, etc., in the
area.
Arctic Cat recommends that the in-line
fuel filter be checked once a month.
The filter is located in the fuel hose
between the gas tank and carburetor.
The only cleaning possible is to back-
flush the filter using clean gasoline. To
check, clean, or replace the filter, use
the following procedure:
12
1. Turn the gas tank shut-off valve to
the CLOSED position.
2. Remove and discard the clamps;
then pry the fuel hoses off the in-
line fuel filter and remove the fil-
ter.
improperly
3. Install the in-line fuel filter in the
fuel hose so the arrow on the filter
points toward the carburetor. Make
sure the fuel hoses fit tightly on
the filter. If a fuel hose does not fit
tightly, cut 6 mm (1/4 in.) from the
end of the fuel hose; then install on
the filter. Install new clamps.
The fuel hoses must fit tightly on
the fuel filter. If the fuel hose length
doesn't
replace the fuel hose. Also, after
installing the fuel hoses on the fil-
ter, check to be sure that the fuel
0744-949
hoses do not contact any hot or
rotating components.
4. Turn the gas tank shut-off valve to
the OPEN position.

AIR CLEANER/FILTER

The air filter inside the air cleaner
housing must be kept clean to provide
good engine power and gas mileage. If
the snowmobile is used under normal
conditions, service the filter at the
intervals specified. If operated in
adverse conditions, inspect and service
the filter more frequently. Use the fol-
lowing procedure to remove the filter
and to inspect and/or clean it.
Failure to inspect the air filter fre-
quently if the snowmobile is used
in adverse conditions can damage
the engine.
1. Remove the two screws securing
the air cleaner cover; then remove
the cover.
CAUTION
permit this procedure,
CAUTION