2005-2011 Honda Recon TRX250TE/TM service manual, Page 276Get this manual
BRAKE SYSTEM Remove the oil seal, piston and springClean the inside of the cylinder and reservoir with brake fluidCheck the oil seal, piston boot, primary cup and secondary cup for fatigue or damageCheck the master cylinder and piston for abnormal
scratches
OIL SEAL
SECONDARY CUP
INSPECTION
Measure the master cylinder .0SERVice LIMIT: 12.755 mm (0.5022 inMeasure the master cylinder piston .0SERV ICE LIMIT: 12.645 mm (0.4978 n)