2005-2009 Honda TRX400EX/TRX400X Service Manual, Page 264Get this manual
HYDRAULIC DISC BRAKE Fil the rear brake reservoir to the "UPPERleve line with DOT rake fluid rom sealed con tainerInsta ll the diaphragm, set plate and reservoir cap
BRAKE PADDISC
FRONT BRAKE PAD REPLACEMENT
Remove the front wheel (page 13-1OJRemove the pad pin plugs and loosen the pad pinsRemove the two bol ts and 'front brake caliper
Check [he flUid level In the master cylmder reseJVol[ as this operation causes [he flUid level to nse ,