2005-2011 Honda FourTrax Foreman TRX500 FE/FPE/FM/FPM/TM Service Manual, Page 327Get this manual
BRAKE SYSTEM Remove the snap ring using the special toolSNAP RING PLIERS SNAP RING
Snap rin pliers
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Remove the master piston and springRemove the oil seal Clean he master cyl nder, reservoir and master piston in clean brake fluid
MASTER CYLINDER
INSPECTION
Check the master cylinder and master piston for scoring, scratches or damage
Check the piston cups and oil seal for wear, deterioration or damage
MASTER PISTON
PISTON CUPS