Polaris TRAIL BOSS 325 2001, Manual

Page: 257 / 296

BRAKES
9.25
REAR CALIPER REMOVAL/INSPECTION CONT.
8. Inspect caliper piston bore for scratches, severe
corrosion, or galling and replace if necessary.
9. Inspect surface of caliper piston for nicks,
scratches, or damage and replace if necessary.
REAR CALIPER ASSEMBLY
1. Install new O-rings in caliper body (2 piston seals
per caliper half).
Be sure O-ring grooves are
thoroughly cleaned of all residue, or piston may bind
in bore.
Apply brake fluid to pistons and install
carefully with a twisting motion to ease assembly
until fully seated.
2. Install new O-rings between caliper halves.
3. Carefully assemble caliper body, making sure
O-rings are properly positioned in groove. Torque
body screw evenly to 18 ft. lbs.
O-Rings
Piston Seals
Caliper Body Torque
18 ft. lbs. (25 Nm)