Brake Burnishing Procedure; Rear Brake Disc; Disc Inspection - Polaris RANGER RZR 170 Service Manual

8. Verify fluid level in reservoir is at the MAX line inside
the reservoir and install reservoir cap.
Master Cylinder Fluid
Up to MAX line inside reservoir
9. Install wheel and torque wheel nuts.
Rear Wheel Nut:
27 ft-lbs (37 Nm)

Brake Burnishing Procedure

To extend service life and reduce noise a burnishing
procedure should be performed after installation of new
brake pads .
Start machine and slowly increase speed to 25 mph.
Gradually apply brakes to stop machine. Allow pads and
disc to cool sufficiently during the procedure. Do not allow
pads or disc to become hot, or warping may result. Repeat
this procedure 10 times.

REAR BRAKE DISC

Disc Inspection

1. Visually inspect disc for scoring, scratches, or
gouges. If any deep scratches are evident, replace
the disc .
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9923983 - 2012-2013 RZR 170 Service Manual
© Copyright 2012 Polaris Sales Inc.
2. Use a 0-1" micrometer and measure the disc
thickness at eight different points around the pad
contact surface. Replace disc if worn beyond service
limit.
X
X
X
X
X
X
Brake Disc Thickness
Service Limit: .170" (4.32 mm)
Brake Disc Thickness Variance
Service Limit .002" (.051 mm)
difference between measurements
3. 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
specifications.
Brake Disc Runout
Service Limit .010" (.254 mm)
BRAKES
X
X
Side
View
Measure
Thickness
6.21
6