2007-2009 Honda TRX300EX TRX300X service manual, Page 59Get this manual
MAINTENANCE REAR BRAKE Place the vehicle on level surfaceRemove the rear fender (page 2-5)Check the fluid level in the rear brake reservoir
If the level is near the "LOWER" level mark, remove the cap screws, reservoir cap, set plate and diaphragm, and fill the reservoir with DOT brake fluid from sealed container to the "UPPER" level markInsta ll the diaphragm, set plate and reservoir cap, and tighten the cap screwsTORQUE: 1.5 N'm (0.2 kgfm, 1.1 Ibfft) Install the rear fender (page 2-4)