Rear Disc Inspection; Rear Disc Replacement - Polaris RZR 900 2015 Service Manual

REAR DISC INSPECTION

1. Visually inspect disc for scoring, scratches, or
gouges. Replace disc if deep scratches are evident.
2. Use a 0-1" micrometer and measure disc thickness at
eight different points around the pad contact surface.
Replace disc if worn beyond service limit.
MEASUREMENT
Brake Disc Thickness
New: 0.188" (4.78 mm)
Service Limit: 0.170" (4.32 mm)
MEASUREMENT
Brake Disc Thickness Variance
Service Limit: 0.002" (0.051 mm)
Difference Between Measurements
3. Mount a dial indicator and measure disc runout.
Slowly rotate the disc and read total runout on the dial
indicator. Replace the disc if runout exceeds
specifications.
MEASUREMENT
Brake Disc Runout:
Service Limit: 0.010" (0.254 mm)
9926814 R08 -
Manual
© Copyright Polaris Industries Inc.

REAR DISC REPLACEMENT

1. Remove the rear brake caliper. (see Chapter 9 –
REAR CALIPER SERVICE, page
2. Remove wheel hub cotter pin
washers
3. Remove the hub assembly from the vehicle and
remove the four bolts
4. Clean the wheel hub mating surface and install new
disc on wheel hub.
5. Install new bolts
Always use new brake disc mounting bolts. The bolts
have a pre-applied locking agent which is destroyed
6. Install wheel hub assembly, washers, and castle nut.
Torque castle nut to specification and install a new
cotter pin.
2015-2016 RZR 900
BRAKE SYSTEM
r
, castle nut
w
.
q
retaining the disc to the hub.
t
and torque to specification.
CAUTION
upon removal.
TORQUE
Brake Disc Mounting Bolts:
18 ft-lb (24 Nm)
2016 RZR S 1000 Service
e
and
9
9.29