Rear Brake Disc; Inspection - Polaris 2014 Sportsman 570 EF Service Manual

3. Lubricate the mounting bracket pins with disc brake
caliper lube, 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.
9924871 R03 - 2014 Polaris Sportsman® 570 EFI Service Manual

REAR BRAKE DISC

Inspection

1. Visually inspect disc for scoring, scratches, or
gouges. Replace the disc if any deep scratches are
evident.
2. Use a micrometer and measure disc thickness at 8
different points around perimeter of disc. Replace
disc if worn beyond service limit.
3. Mount dial indicator and measure disc runout.
Replace the disc if runout exceeds specifications.
© Copyright 2013 Polaris Sales Inc.
Brake Disc Thickness:
Service Limit : .170" (4.318 mm)
Brake Disc Thickness Variance:
Service Limit: .002" (.051 mm)
Between Measurements
Brake Disc Runout
Service Limit: .010" / .254 mm
BRAKES
9
9.33