2007-2009 Honda TRX300EX TRX300X service manual, Page 285Get this manual
HYDRAULIC DISC BRAKE Remove the bolt and rea brake hoseparking brake cable clampRemove the two bolts and rear brake caliper
Release the rear brake hose from the hose guide of rear caliper stay
Check the fluid evel in the master cylinder reservoir as this operation causes the fluid level to rise
Push the caliper piston all the way to allow installation of new brake padsPull the pad pins out of the caliper with the lock plate while pushing in the pads against the pad spring Remove the brake pads ith the shim Clean the inside of the cal iper especially around the caliper piston