2006-2009 Honda TRX250EX/TRX250X Service Manual, Page 300Get this manual
REAR DRIVING MECHANISM
REAR AXLE REMOVAL
Remove the rear brake drum (page 15-18)Remove the following:cotter pinhub nut (while holding the hub securely)left wheel hub
axle (by driving it from the left side using rubber mallet) dust seals (from the swing arm and gear case)