2007-2009 Honda TRX300EX TRX300X service manual, Page 291Get this manual
HYDRAULIC DISC BRAKE Install the brake light by aligning its boss with the hole of the master cylinderInstall the brake light switch and tighten the screwTORQUE: 1.2 N'm (0.1 kgfm, 0.9 Ibfft)
Install the dust cover over the brake lever
DUST COVER
Align the edge of the master cylinder with the punch mark on the handlebar
Install the master cylinder and holder with the "UP" mark facing upTighten the upper bolt first, then tighten the lower boltTORQUE: 12 Nm (1.2 kgfm, 9Ibfft)