9. Measure piston diameter and replace if damaged or
worn beyond service limit.
MEASUREMENT
Front Caliper Piston O.D.:
Large: 1.3685-1.3700" (34.76-34.80 mm)
Medium: 1.1860-1.1875" (30.12-30.16 mm)
Small: .9985-1.000" (25.36-25.40 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)
.180" (4.6 mm)
FRONT CALIPER ASSEMBLY
1. Install new sealing o-rings inside the caliper.
2. Carefully press the pistons into the caliper.
9928491 R04 - 2017-2018 RZR XP Turbo / XP4 Turbo Service Manual
© Copyright Polaris Industries Inc.
3. Install the mount bracket assembly and dust boots.
BRAKE SYSTEM
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