Adjusting Throttle Cable; Adjusting Engine Rpm; Engine/Transmission Oil - Arctic Cat 450 XC 2011 Service Manual

Adjusting Throttle Cable

To adjust the throttle cable free-play, follow this proce-
dure.
1. Slide the rubber boot away; then loosen the jam nut
from the throttle cable adjuster.
2. Turn the adjuster until the throttle cable has proper
free-play of 3-6 mm (1/8-1/4 in.) at the lever.
3. Tighten the jam nut against the throttle cable adjuster
securely; then slide the rubber boot over the adjuster.

Adjusting Engine RPM

(Idle)
NOTE: Engine idle RPM is not adjustable on this
model.

Engine/Transmission Oil -

Filter
The engine should always be warm when the oil is
changed so the oil will drain easily and completely.
1. Park the ATV on level ground.
2. Remove the seat and left-side engine cover.
3. Remove the oil level stick/filler plug.
4. Remove the drain plug from the bottom of the engine
and drain the oil into a drain pan.
AL611D
5. Remove the oil filter plug from the filter mounting
boss (located on the front side of the transmission
case) and allow the filter to drain completely. Install
the plug and tighten securely.
6. Using the adjustable Oil Filter Wrench and a suitable
wrench, remove the old oil filter.
NOTE: Clean up any excess oil after removing
ATV-0047
the filter.
7. Apply oil to a new filter seal ring and check to make
sure it is positioned correctly; then install the new oil
filter. Tighten securely.
8. Install the engine drain plug and tighten to 20 ft-lb.
Pour the specified amount of the recommended oil in
the filler hole. Install the oil level stick/filler plug.
Any oil used in place of the recommended oil could
cause serious engine damage. Do not use oils which
contain graphite or molybdenum additives. These oils
can adversely affect clutch operation. Also, not recom-
mended are racing, vegetable, non-detergent, and cas-
tor-based oils.
9. Start the engine (while the ATV is outside on level
ground) and allow it to idle for a few minutes.
10. Turn the engine off and wait approximately one min-
ute.
11. Remove the oil level stick and wipe it with a clean
cloth.
12. Install the oil level into engine case.
Manual
Table of Contents
CAUTION
KC0051A
733-441A
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