2003 Honda ATV TRX650FA Rincon Factory Service Manual, Page 325Get this manual
BRAKE SYSTE AS SEMBLY MASTER CYLIN DER
MASTER PISTON
PRIMARY CUP PUS ROD BOOT
Coat the ast er pi ston and pist on cu ps and wit cl ean brake fluid In stall the primary cup onto th sp rin gDo no aIow the piston cup lips to turn mside out
SN AP RING
In stall the spri ng, primary cup and ast er pisto n
MASTER PISTON
into he ma ste cy linderAppl si lico ne rease to th pu sh rod co ntact area