Page 499 - Manual_Polaris_RZR_ProXP-20-21

BRAKE SYSTEM

FRONT CALIPER DISASSEMBLY / 4. Once the pistons are removed, use a pick to carefully
INSPECTION remove the o-rings r from the caliper. O-rings should
be replaced during caliper service.
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.
2. Thoroughly clean the caliper before disassembly and
prepare a clean work area for disassembly. NOTICE
3. Use a commercially available caliper piston pliers to Be sure to clean all the seal grooves in the caliper body.
extract the pistons e from the caliper

6. Inspect caliper body for nicks, scratches, pitting or
wear.
7. Measure bore size and compare to specifications.
Replace if damaged or worn beyond service limit.
MEASUREMENT
Front Caliper Piston Bore I.D.:
Large Bore: 1.375″ (34.93 mm)
Medium Bore: 1.188″ (30.18 mm)
Small Bore: 1.000″ (25.4 mm)

8. Inspect piston for nicks, scratches, pitting or wear.

IMPORTANT
Do not remove the caliper pistons with a standard 10
pliers. The piston sealing surface will become damaged
if a standard pliers is used.

9930583 R01 - 2020-2021 RZR PRO XP / XP 4 Service Manual 10.21
© Copyright Polaris Industries Inc.