Arctic Cat ZR 900 Series 2006 Operator's Manual page 44

3. Slowly rotate the choke cable
adjuster counterclockwise
while checking the choke lever
for free-play. As soon as all
free-play has been removed
from the end of the lever, stop
rotating the adjuster.
4. With free-play removed from
the lever, slowly rotate the
choke cable adjuster once again
clockwise while checking the
choke cable lever for free-play.
Adjust until 3 mm (1/8 in.) free-
play between front bottom edge
of lever and housing is attained.
Securely tighten the adjuster
jam nut.
Adjusting Piston Valve
1. Remove the air-intake silencer
boot; then rotate the idle speed
screw counterclockwise until
all spring tension is removed.
MAINTENANCE
2. Loosen the jam nut securing the
throttle cable swivel adapter;
then rotate the swivel adapter
clockwise until the piston valve
bottoms in the piston valve
bore.
3. Place a finger lightly against the
side of the valve; then rotate the
carburetor swivel adapter coun-
terclockwise until slight upward
movement of the valve is noted.
4. Place a finger against the valve.
Rotate the idle speed screw
clockwise until it contacts the
valve.
5. Compress the throttle lever to
the full-open position; then
rotate the idle speed screw
clockwise 2 complete turns.
Release the throttle lever.

NOTE: There must be free-play
between the throttle lever and the
control housing.
6. At this point, there must be
cable free-play gap in the throt-
tle lever.
732-848B

NOTE: If no cable free-play gap
is detected, rotate the swivel
a d a p t e r u n t i l f r e e - p l a y i s
achieved. The piston valve must
be resting against the tip of its
idle speed screw.
0727-156
733-081C
43