2001 Polaris Sportsman 400-500 DUSE and H.O. Service Manual, Page 322Get this manual

2001 Polaris Sportsman 400-500 DUSE and H.O. Service Manual, Page 322

FRONT CALIPER DISASSEMBLY, CONT4Remove piston, dust seal and piston seal5Clean the caliper body, piston, and retaining bracket with brake cleaner or alcoholNOTE: Be sure to clean seal grooves in caliper body
FRONT CALIPER INSPECTION
1Inspect caliper body for nicks, scratches or wearMeasure bore size and compare to specificationsReplace if damage is evident or if worn beyond service limit
Front Caliper Piston Bore I.DStd1.191-1.192 (30.25-30.28 mm) Service Limit 1.193 (30.30 mm)