Page 500 - Manual_Polaris_RZR_ProXP-20-21

BRAKE SYSTEM

9. Measure piston diameter and replace if damaged or 3. Use a commercially available caliper piston pliers to
worn beyond service limit. extract the pistons e from the caliper

MEASUREMENT IMPORTANT
Front Caliper Piston O.D.: Do not remove the caliper pistons with a standard
Large: 1.3685-1.3700″ (34.76-34.80 mm) pliers. The piston sealing surface will become damaged
Medium: 1.1860-1.1875″ (30.12-30.16 mm) if a standard pliers is used.
Small: .9985-1.000″ (25.36-25.40 mm)
4. Once the pistons are removed, use a pick to carefully
10.Inspect the brake disc and pads as outlined in this remove the o-rings r from the caliper. O-rings should
chapter. be replaced during caliper service.

FRONT CALIPER DISASSEMBLY /
INSPECTION (4-SEAT)
1. Remove the mount bracket assembly q and dust
boots w.

5. Clean the caliper body, pistons, and retaining bracket
with brake cleaner or alcohol.
NOTICE
Be sure to clean all the seal grooves in the caliper body.

6. Inspect caliper body for nicks, scratches, pitting or
2. Thoroughly clean the caliper before disassembly and
prepare a clean work area for disassembly. wear.

10.22 9930583 R01 - 2020-2021 RZR PRO XP / XP 4 Service Manual
© Copyright Polaris Industries Inc.