2004-2005 Honda TRX450R Factory Sevice Manual, Page 215Get this manual
CRANKCASETRANSMISSIONCRANKSHAFTBALANCER Remov he balancer shaft oi sealRemove the balancer shaft needle bea ring using th e
BALA NCER SHAFT NEEDLEBEARING '
special too lsTOOLSRemover handle Bearing remover, 20 mm
Remover weight
07936-3710100 07936-3710600 077410010201 or 07936-3710200 or 0793G-371020A (U.S .Aonly)
Drive new mai nshaft and co un tershaft bearings into the left cra nkcas with the arking facing upusing the special tool s