Installing Skid Frame - Arctic Cat ZR 120 Service Manual

4. Secure the rear arm to the support bracket with the
cap screw. Tighten securely.
5. Secure the cross-brace axle to the slide rail with
the cap screw (threads coated with blue Loctite
#243). Tighten to 20 ft-lb.
6. Place the shock pad into position and secure with a
solid rivet and push nut.
48
AO162
7. Place the end cap onto the rail and secure with the
cap screw, washers, and lock nut. Tighten to 78 in.-
lb.

Installing Skid Frame

1. Place a piece of cardboard on the floor to protect
against scratching and tip the snowmobile onto
one side.
2. Pull the track away from the tunnel and spread
open; then place the skid frame into the track.
3. Position the front of the skid frame into the tunnel
and align the front axle with the appropriate
AO159
mounting holes in the tunnel. Secure the axle to
the tunnel with the cap screws (coated with blue
Loctite #243). Thread the cap screws in only half
way. DO NOT TIGHTEN AT THIS TIME.

NOTE: To aid in centering the rear arm with the holes
in the tunnel, position the skid frame and track at a 45°
angle to the bottom of the tunnel.
4. Align the rear idler axle with the appropriate
mounting holes in the tunnel. Secure the axle to
the tunnel with the cap screws (coated with blue
Loctite #243). Thread the cap screws in only half
way. DO NOT TIGHTEN AT THIS TIME.
5. Align the rear arm with the holes in the arm sup-
port bracket. Secure the arm to the bracket with
the cap screws (threads coated with blue Loctite
#243). Tighten to 20 ft-lb.
AO160
6. Place the snowmobile in the upright position.
7. Securely tighten all mounting hardware (from
steps 3 and 4) to 20 ft-lb.
8. Check track tension; adjust as necessary (see
Track and Driveshaft section).
AO161