Polaris RZR PRO XP 2020, Service Manual, Page: 508 / 598

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9850068 R01 - 2020-2021 RZR PRO XP / XP 4 Service Manual
© Copyright Polaris Industries Inc.
CALIPER INSPECTION
1. Inspect caliper body for nicks, scratches or wear.
Measure bore size and compare to specifications.
Replace if damage is evident or if worn beyond
service limit.
MEASUREMENT
Rear Caliper Piston Bore I.D.:
Large: 1.188″ (30.18 mm)
Service Limit: 1.19″ (30.23 mm)
Small: 1.000″ (25.4 mm)
Service Limit: 1.002″ (25.45 mm)
2. Inspect piston for nicks, scratches, wear or damage.
Measure diameter and replace if damaged or worn
beyond service limit.
MEASUREMENT
Rear Caliper Piston Bore I.D.:
Large: 1.1860-1.1875″ (30.12-30.16 mm)
Small: 0.9985-1.000″ (25.36-25.40 mm)
3. Inspect the brake disc and pads as outlined in this
chapter.
BRAKE PAD INSPECTION
Measure the thickness of the pad material and backing
plate with a caliper. Replace pads if worn beyond the
service limit.
MEASUREMENT
Brake Pad Thickness:
.296 ± .007″(7.53 ± .19 mm)
.180″ (4.6 mm)
BRAKE SYSTEM