Polaris 850 MATRYX INDY XC 129 2021

8
9850064 R03 - 2021 650 / 850 Matryx Trail Performance / Crossover Snowmobile Service Manual
© Copyright Polaris Inc.
8.23
CONTROL ARM SERVICE
LOWER CONTROL ARM REMOVAL
1. Remove the spindle and ski as an assembly.
2. Remove the sway bar link fastener
q
and nut
w
.
3. Remove the fastener
e
and nut
r
securing the
shock to the lower control arm. Discard the flange
nut.
4. Remove the flange nuts
t
and front pivot screw /
flange nut
y
. Discard the flange nuts. Remove the
lower control arm assembly
u
.
LOWER CONTROL ARM INSTALLATION
1. Reinstall the control arm assembly
u
. Secure control
arm pivot onto the bulkhead studs using new flange
nuts
t
. Torque flange nuts to specification.
NOTICE
The lower control arm front pivot is secured with a
screw
y
and flange nut. Install this screw from the right
side of the vehicle.
TORQUE
Control Arm Pivot Stud Flange Nuts:
30 ft-lbs (41 N·m)
Front Lower Control Arm Pivot Screw / Nut:
40 ft-lbs (54 N·m)
2. Install the shock fastener
e
and new flange nut
r
.
Torque nut to specification.
TORQUE
Shock Mounting Fasteners:
37 ft-lbs (50 N·m)
STEERING / SUSPENSIONS