2001-2006 Honda TRX 300EX Sportrax 300EX Factory Service Manual, Page 264Get this manual
BRAKE SYSTEM Measure the master cvlinder .0
SERVICE LIMIT: 12.755 mm (0.5022 inl
Measure the masler cylinder piston .0 SERVICE LIMIT: 12.645 mm (0.4978 inl
ASSEMBLY
I NOTICE I
Keep the iston, cups, spring, snap ring and oot as set; do not substitute individual parrsCoat all parts with clean brake flu id before assemblyDip the piston in brake fluidInslallthe spring to the pislonWhen installing the cups, do not allow the lips to turn inside OUIInSl eU the piston assembly into the master cy linderBe certain the snap ring Is firmly seated in the