1985-1995 Polaris ATV and Light Utility Hauler Service Manual, Page 127Get this manual
BRAKE SERVICE Output Shaft Caliper Service (Auxiliary Brake Models) Straighten large paper clip and form small hook on one endPolish the end of the clip so there are no sharp edgesCAUTION: Extreme care must be used to avoid scratching the cylinder bore seal ring groove surfacesPosition the clip in the cylinder bore as shownWith pushing, twisting action remove the large inside seal and small outer dust seal and two small O-ring seals from the brake caliper pin holeIII3
10Important: Flush the cylinder bore with brake fluid and blow clean with compressed air11Inspect cylinder bore for scoring, pitting, or corrosionA corroded or scored casting should be replaced; light scores and stains may be removed by polishingPolish any discolored or stained area with crocus cloth onlyNOTE: If you are cleaning the cylinder bore, use finger pressure and rotate the clothDo not slide the cloth in or out of bore while applying pressure as scratches may resultDo not use any other type of abrasive or abrasive cloth