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9923142 - 2011 RANGER RZR / RZR S / RZR 4 Service Manual
© Copyright 2010 Polaris Sales Inc.
Caliper Inspection
1. Inspect caliper body for nicks, scratches, pitting or wear.
Measure bore size and compare to specifications. Replace
if damaged or worn beyond service limit.
2. Inspect piston for nicks, scratches, pitting or wear. Measure
piston diameter and replace if damaged or worn beyond
service limit.
3. Inspect the brake disc and pads as outlined in this chapter.
= In. / mm.
RZR / RZR S: Front Caliper Piston Bore I.D.:
Std: 1.004” (25.5 mm)
Service Limit: 1.006” (25.55 mm)
= In. / mm.
RZR 4: Front Caliper Piston Bore I.D.:
Std: 1.373” (34.87 mm)
Service Limit: 1.375” (34.93 mm)
= In. / mm.
RZR / RZR S: Front Caliper Piston O.D.:
Std: 1.002” (25.45 mm)
Service Limit: 1.000” (25.4 mm)
= In. / mm.
RZR 4: Front Caliper Piston O.D.:
Std: 1.370” (34.80 mm)
Service Limit: 1.368” (34.75 mm)