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9850068 R01 - 2020-2021 RZR PRO XP / XP 4 Service Manual
© Copyright Polaris Industries Inc.
10.23
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: 1.505″ (38.23 mm)
Small Bore: 1.195″ (30.35 mm)
8. Inspect piston for nicks, scratches, pitting or wear.
9. Measure piston diameter and replace if damaged or
worn beyond service limit.
MEASUREMENT
Front Caliper Piston O.D.:
Large: 1.50″ (38.1 mm)
Small: 1.19″ (30.226 mm)
10.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)
Service Limit:
.180″ (4.6 mm)
BRAKE SYSTEM
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