94
ENGINE IDLE RPM
ADJUSTMENT
To properly adjust the idle, a tachome-
ter is necessary. If one is not available,
take the ATV to an authorized Arctic
Cat ATV dealer.
To adjust idle RPM:
NOTE: To access the idle adjust-
ment screw, it will be necessary to
remove the seat on the 250/300
models. The idle adjustment screw
is located on the right-hand side of
the carburetor on the 400/500/650/
650 V-Twin models.
735-939A
1. Start the engine and warm it up to
normal operating temp- erature.
2. Turn the idle adjustment screw in
or out until the engine idles at the
recommended RPM.
AF920C
THROTTLE CABLE
ADJUSTMENT
To adjust the throttle cable free-play:
1. Loosen the jam nut from the throt-
tle cable adjuster.
2. Slide the rubber boot away and
turn the adjuster until the throttle
lever has proper free-play of 3-6
mm (1/8 - 1/4 in.).
ATV-0047
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 hous-
ing must be kept clean to provide good
engine power and gas mileage. If the
ATV is used under normal conditions,
service the filter at the intervals speci-
fied. If operated in dusty, wet, or
muddy conditions, inspect and service
the filter more frequently. Use the fol-
lowing procedure to remove the filter
and inspect and/or clean it.
Engine Idle RPM
250/300/400/500/650
1250-1350
650 V-Twin
1050-1150
250/300
! WARNING
Adjust the idle to the correct RPM.
Make sure the engine is at normal
operating temperature before
adjusting the idle RPM.
! CAUTION
Failure to inspect the air filter fre-
quently if the ATV is used in dusty,
wet, or muddy conditions can dam-
age the engine.