9.30
9924880 Rev 2- 1/10/2014 - 2013 / 2014 RANGER XP 900 - 2014 RANGER XP 900 / CREW 900 Service Manual
© Copyright Polaris Sales Inc.
REAR BRAKE DISC
DISC RUNOUT
1. Mount a dial indicator and measure disc runout.
Slowly rotate the disc and read total runout on the
dial indicator. Replace the disc if runout exceeds
specification.
Brake Disc RunoutService Limit .010” (.254 mm)
DISC INSPECTION
1. Visually inspect disc for scoring, scratches or
gouges. Replace disc if any are evident.
2. Use a 0-1" micrometer and measure disc thickness
at 8 different points around perimeter of disc.
Replace disc if worn beyond service limit.
Brake Disc Thickness:New .188” (4.78 mm)Service
Limit .170” (4.32 mm)
Brake Disc Thickness Variance:Service Limit .002”
(.051 mm)difference between measurements
BRAKES
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