2004-2009 Honda TRX450R/TRX450ER Service Manual, Page 90Get this manual
MAINTENANCE FRONT BRAKE Turn the handlebar to the left side so the reservoir is level and check the fluid level through the sight glassRESERVOIR CAP
If the level is near the "LOWER" level mark, remove the reservoir cap, set plate and diaphragm and fill the reservoir with DOT brake fluid from sealed container to the casting ledgeInstall the diaphragm, set plate and reservoir cap, and tighten the cap screwsTORQUE: N-m (0.2 kgfrn, 1.4 Ibf ft)
CASTING LEDGE
REAR BRAKE