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9924871 R03 - 2014 Polaris Sportsman® 570 EFI Service Manual
© Copyright 2013 Polaris Sales Inc.
FRONT BRAKE DISC
Inspection
1.
Visually inspect the brake disc for nicks, scratches,
or damage.
2.
Measure the disc thickness at eight different points
around the pad contact surface. Replace disc if worn
beyond service limit.
Brake Disc Thickness:
Service Limit: .140” / 3.556 mm
Brake Disc Thickness Variance Service Limit:
.002” (.051 mm)
between measurements.
3.
Mount dial indicator as shown to measure disc
runout. Slowly rotate the disc and read total runout
on the dial indicator. Replace the disc if runout
exceeds specifications.
Brake Disc Runout Service Limit:
.010” / .254 mm
BRAKES
