Polaris 850 MATRYX INDY XC 129 2021 Manual page 413

ASSEMBLY
1. Assemble brake master cylinder in a clean
environment. Only use new, fresh DOT 4 brake fluid.
Clean all valve components with brake cleaners and
allow to air dry.
2. If the piston valve was removed from the valve body
bore, reinstall it and verify the seal is fully seated.
3. If the brake switch was removed, press the switch
into the valve body and verify the plunger is facing
outward. Install the brake switch guard
e
switch guard fastener .
NOTICE
When installing the brake switch guard, make sure the
wire is secured in the routing tab of the brake switch
guard.
TORQUE
Brake Switch Guard Fastener:
Until Fully Seated
4. Verify the O-ring is installed on the top side of the
valve body.
9850064 R03 - 2021 650 / 850 Matryx Trail Performance / Crossover Snowmobile Service Manual
© Copyright Polaris Inc.
5. Install reservoir
Torque fastener to specification.
k
w
and brake
6. The master cylinder assembly should resemble what
is shown when the reservoir is installed and the brake
switch wire routed properly.
7. Install the brake lever and hinge pin.
8. Reinstall the master cylinder / lever assembly on the
handlebar. Locate assembly in desired position and
torque clamp fasteners to specification. Do not pinch
the brake switch wire in the handlebar clamp.
Master Cylinder Handlebar Clamp Fasteners:
FINAL DRIVE / BRAKE SYSTEMS
r
and inner reservoir fastener
TORQUE
Inner Reservoir Fastener:
6-8 in-lbs (0.68-0.90 N·m)
TORQUE
60-80 in-lbs (6.8-9 N·m)
t
.
6
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