81
GENERAL MAINTENAN
CE
ENGINE IDLE RPM ADJUSTMENT
To properly adjust the idle, a tachometer is necessary. If one is not
available, take the ATV to an au-
thorized Arctic Cat ATV dealer. To
adjust idle RPM:
1. Start the engine and warm it
up to normal operating tempera-
ture.
2. Turn the idle adjustment screw
in or out until the engine idles
at 1250-1350 RPM.
THROTTLE CABLE ADJUSTMENT
To adjust the throttle cable freeplay:
1. Slide the rubber boot away;
then loosen the jam nut (1)
from the throttle housing.
2. Turn the throttle cable adjuster
(2) until the throttle lever has
pro per free-play of 3-6 mm
(1/8 - 1/4 in.).
3.Tighten the jam nut (1) against the
throttle housing securely; then slide the rubber boot over the adjuster.
AIR FILTER (Engine)
The air fi lter inside the air fi lter housing must be kept clean to provide
good engine power and gas mileage. If the ATV is used under normal
conditions, service the fi lter at the intervals specifi ed. If operated in
dusty, wet, or muddy conditions, inspect and service the fi lter more
frequently. Use the following procedure to remove the fi lter and in-
spect and/or clean it.
Adjust the idle to the correct RPM. Make sure the engine is at nor-
mal operating temperature before adjusting the idle RPM.
! WARNING
Failure to inspect the air fi lter frequently if the ATV is used in dusty,
wet, or muddy conditions can damage the engine.
! CAUTION
Summary of Contents for 2008 400 2x4
Page 9: ...8 Warning Labels A C F E H ...
Page 57: ...56 NOTES ...