Arctic Cat 350 2011 Service Manual page 15

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1. Remove the cap screws securing the spark arrester
assembly to the muffler; then loosen and remove
the arrester.
2. Using a suitable brush, clean the carbon deposits
from the screen taking care not to damage the
screen.
NOTE: If the screen or gasket is damaged in any
way, it must be replaced.
3. Install the spark arrester assembly with gasket;
then secure with the cap screws. Tighten to 48
in.-lb.
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.
KC334A
KC145
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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 the
425.
To properly adjust the idle RPM, a tachometer is nec-
essary. To adjust idle RPM, use the following proce-
dure.
1. With the transmission in neutral, start the engine
and warm it up to normal operating temperature.
2. Turn the idle adjustment screw clockwise one turn
past the recommended RPM setting; then turn it
counterclockwise to 1250-1350 RPM.
NOTE: The idle adjustment screw is located
under the seat.
Section
Table of Contents
AL611D
2
ATV-0047
2-7