9
9926816 R07 - 2014-2016 RZR XP 1000 / XP4 1000 Service Manual
© Copyright Polaris Industries Inc.
9.35
REAR BRAKE DISC
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.
Brake Disc Thickness
New: 0.188″ (4.78 mm)
Service Limit: 0.170″ (4.32 mm)
Brake Disc Thickness Variance:
Service Limit: 0.002″ (0.051 mm)
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.
Brake Disc Runout:
Service Limit: .010″ (0.254 mm)
DISC REPLACEMENT
1. Remove rear brake caliper (see Chapter 9 – Caliper
Removal, page 9.31).
2. Remove wheel hub cotter pin
r
, castle nut
e
and
washers
w
.
3. Remove the hub assembly from the vehicle and
remove the four bolts
q
retaining the disc to the hub.
4. Clean the wheel hub mating surface and install new
disc on wheel hub.
5. Install new bolts
t
and torque to specification.
CAUTION
Always use new brake disc mounting bolts. The bolts
have a pre-applied locking agent which is destroyed
upon removal.
TORQUE
Brake Disc Mounting Bolts:
30 ft-lb (41 Nm)
BRAKE SYSTEM