2004-2005 Honda TRX450R Factory Sevice Manual, Page 257Get this manual
REAR WHEELSUSPENSION The lock nul has left hand threads
Loo sen the axle inn er lock nut hil holding th outer lock nut, using the special toolsTOOLSLock nut rench, 56 mm
lock nut wrench, 45 .5 mm
07916-HA20000 07916-HA2010A (U.S.Aonlv) 07916-1870101 or commercially
ava ilable equivalent
The loc nu has
efC hand threads
Loo sen the axle out er lock nut un til th stopper ri ng can be rem ovedusing he speci al oo l