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9940259 R02 - 2022 RZR PRO R / PRO R 4 Service Manual

10.27

3. Lubricate the mounting bracket pins

with silicone

grease and install the rubber dust seal boots

4. Compress the mounting bracket and make sure the

dust seals are fully seated. Install the brake pads.

Clean the disc and pads with brake parts cleaner or

denatured alcohol to remove any dirt, oil or grease.

REAR BRAKE 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

.295 ± .008″(7.5 ± .2 mm)

.268″ (6.8 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:

.010″ (0.25 mm)

REAR BRAKE DISC REPLACEMENT

1. Dismount the wheel hub assembly from the vehicle

by pulling straight out.

2. Remove the rear caliper and brake disc.

3. Replace brake disc with a new one.

REAR BRAKE CALIPER / PAD

INSTALLATION

1. Install the rear caliper with new mounting bolts.

Torque mounting bolts

to specification.

TORQUE

Rear Caliper Mounting Bolts:

51 ft-lbs (70 Nm)

BRAKE SYSTEM

Polaris RZR PRO R User Manual

Questions and Answers: