Arctic Cat 2012 DVX 90 Operator's Manual page 186

3. Tighten the knurled nut against the throttle cable adjuster
securely; then slide the rubber boot over the adjuster.
Air Filter
The air filter inside the air filter housing must be kept clean to pro-
vide good engine power and gas mileage. If the ATV is used under
normal conditions, service the filter at the intervals specified. If oper-
ated in dusty, wet, or muddy conditions, inspect and service the filter
more frequently. Use the following procedure to remove the filter and
inspect and/or clean it.
1. Rotate the three latches to release
the filter housing cover; then
loosen the inlet boot clamp.
2. Remove the filter housing cover
and air filter element.
3. Fill a wash pan larger than the ele-
ment with a non-flammable sol-
vent; then dip the element in the
solvent and wash it.
4. Squeeze the element by pressing
it between the palms of both
hands to remove excess solvent.
Do not twist or ring the element or
it will develop cracks.
5. Dry the element.
6. Put the element in a plastic bag; then pour in air filter oil and
work the oil into the element.
7. Squeeze the element to remove excess oil.
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A torn air filter can cause damage to the ATV engine. Dirt and
dust may get inside the engine if the element is torn. Care-
fully examine the element for tears before and after cleaning
it. Replace the element with a new one if it is torn.
8. Clean any dirt or debris from inside the air cleaner. Be sure no
dirt enters the throttle body.
9. Install the air filter and cover.
10. Connect the inlet boot and tighten the clamp securely.
Air Filter Housing
Drain
Inspect the "duck bill" drain in front
of the main housing for debris and
for proper sealing.
KC0056A
Draining V-Belt Cover

NOTE: If the ATV has been driven through water, the V-belt
cover must be drained of any water.
1. Place the ATV on a level surface.
KC0056B
2. Remove the drain bolt from the
cover and allow water to drain out.
3. Shift the range lever to the neutral
position; then start the engine.
4. Increase and decrease engine
RPM several times to "blow out"
any water; then stop the engine.
5. Install the drain bolt and tighten securely.
Section Table of Contents
2012 XC 450 i
CAUTION
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KC0056C
KC0049A