1987 Honda Fourtrax TRX 250X Service Manual, Page 197Get this manual
HYDRAULIC BRAKES Push the dust and piston seals in and lift them outClean the seal grooves with clean brake fluid 1) PISTON SEAL
CAUTION
Be careful not to damage the piston sliding surfaces
INSPECTION
Check the caliper cylinder for scratches, scoring or other dam-
ageMeasure the cylinder 1.0
SERVICE LIMIT; 34.020 mm (1 .3394 inl