Sway Bar (Zr/Xf); Front Bumper; Seat Assembly (Zr/Xf/M Std) - Arctic Cat ZR4000 Service Manual

2. Remove the cap screws securing the shock absorber
to the chassis and the lower A-arm; then remove the
shock absorber. Account for all mounting hardware.
CLEANING AND INSPECTING
1. Inspect the shock absorber seal area for signs of
excessive oil leakage.
2. Inspect the shock absorber mounting eyelet, bush-
ings, and sleeve for wear or damage.
3. Inspect the threaded shock sleeve for damage or
wear.
INSTALLING
1. Using the shock spring tool, place the spring on the
shock absorber and secure with the retainer.
2. Adjust the retainer nut (spring adjuster) (if applica-
ble) until the specified amount of threads are
exposed between the spring adjuster and the shock
housing (noted in removing) as an initial setting.
3. Install the bushings, sleeves, and spacers into each
shock end; then place the shock absorber into posi-
tion and secure with the cap screws and new lock
nuts. Tighten the lock nuts to 32 ft-lb for ZR/XF
models and 24 ft-lb for XF HC and M models.

Sway Bar (ZR/XF)

REMOVING
1. Remove the nyloc nuts and cap screws securing the
sway bar link to the lower A-arm and the sway bar.
XM135
2. Remove the torx-head screws securing the sway bar
mounting brackets; then pull the sway bar out of the
snowmobile.
INSPECTING
1. Inspect the sway bar for any signs of twisting,
fatigue, or wear.
2. Inspect the sway bar arms for cracks or damage.
3. Inspect the links, bushings, bushing retainers, and
hardware for damage or wear.
INSTALLING
1. Place the sway bar into the sway bar mounting
brackets; then install the sway bar into the snowmo-
bile. Secure with the torx-head screws and tighten to
96 in.-lb.
2. Secure the sway bar links to the sway bar and lower
A-arm with the cap screws and new nyloc nuts.
Tighten to 23 ft-lb.

Front Bumper

REMOVING/INSTALLING
1. Remove all torx-head screws securing the front
bumper; then remove the bumper.
2. With the bumper in position, install all torx-head
screws. Tighten securely.
Seat Assembly
(ZR/XF/M STD)
REMOVING/INSTALLING SEAT
NOTE: On LXR/LTD models, be sure to disconnect

the seat heater harness before removing the seat.
1. Remove the cap screw securing the rear of the seat;
then remove the seat.
SNO-261A
2. Route the front tab on the seat through the seat-base
hold-down bracket; then install the seat and secure
using the cap screw.
SNO-227A
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