2004-2005 Honda TRX450R Factory Sevice Manual, Page 212Get this manual
CRANKCA SEITRANSMISSIONCRANKSHAFTI BA LANCER Rem ove the oil seal from the left crankcase Drive the crankshaft bea ring out of the left crankcase
Remove the left cranksha ft bearing usi ng the spec ial tool if it co mes out with the crankshaftDiscard the bea ri ng
Un iversal bearing puller 07631-0010000 or equ ivalent commercia lly avai lab le in U.S.A