1999-2002 TRX400EX Fourtrax Service Manual, Page 49Get this manual
MAINTENANCE
REAR BRAKE
Placethe vehicle on level surfaceRemovethe seatrear fender assembly (page2-2)Check the fluid level in the rear brake reservoirIf the level is near the "LOWER" level line, remove the reservoir cap, set plate and diaphragm, and fill the reservoir with DOT brake fluid from sealed container to the "UPPER" level lineInstallthe diaphragm, set plate and reservoir capInstall the seatlrearfender assembly (page2-21
BRAKE PADS WEAR
Check the brake pad for wearReplacethe brake pads if the wear limit indicator (lug end) aligns with the reference plateReferto page 14-5 for brake pad replacement