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BRAKES
9923142 - 2011 RANGER RZR / RZR S / RZR 4 Service Manual
© Copyright 2010 Polaris Sales Inc.
3. Inspect the brake disc and pads as outlined in this chapter.
Caliper Assembly
1. Install new caliper seals (A) in the caliper body (B). Be
sure groove is clean and free of residue or brakes may drag
upon assembly.
2. Coat piston with clean Polaris DOT 4 Brake Fluid (PN
2872189). Install piston (D) with a twisting motion while
pushing inward. Piston should slide in and out of bore
smoothly with light resistance.
3. Lubricate the mounting bracket pins with silicone grease
and install the rubber dust seal boots.
4. Compress the mounting bracket and make sure the dust
seals are fully seated. Install the brake pads. Clean the disc
and pads with brake parts cleaner or denatured alcohol to
remove any dirt, oil or grease.
= In. / mm.
RZR / RZR S: Rear Caliper Piston O.D.
Standard: 1.1875” (30.16 mm)
Service Limit: 1.186” (30.12 mm)
= In. / mm.
RZR 4: Rear Caliper Piston O.D.:
Standard: 1.500” (38.10 mm)
Service Limit: 1.498” (38.05 mm)
A
B
D