2006-2012 Honda TRX90 TRX90EX/X Service Manual, Page 225Get this manual
REAR WHEElBRAKESUSPENSION Set the parking brakeHold the rear axle nut and remove the rear axle lock nut using the special toolsTOOLS:
lock nut wrench41 mm
07916-9580400 or 07916-9580108 (U.S.Aonly)
Remove the rear axle nut using the special toolTOOL: