2006-2012 Honda TRX90 TRX90EX/X Service Manual, Page 234Get this manual
REAR WHEELBRAKEl SUSPENSION
REAR AXLEBEARING HOLDER
REMOVAL
Remove the fo ll owing- rear wheels (page 13-6)rear brake (page 13-6)skid plate (page 2-5)chain guard (page 2-6) Remove the cotter pinhub nut, washer and left wheel hub
If you plan replace the drive sprocket, loosen its mounting nuts