2004-2005 Honda TRX450R Factory Sevice Manual, Page 309Get this manual
1 ELECTRICAL Inst all the flyw hee onto th crankshaft by alig ning th key way it the woodru ff keyA pply oil th lywhee nut threads and seat ing surfaceInstall the asher and fl ywheel nutHo ld the lywheel usi ng th special ool and ig hten he flyw hee nut
TOOL: Flywheel holder
077250040000 or
commercially
available equivalent
TORQUE: 74 Nm (7.5 kgfm 54lbf.ftl Install th left crankcase cov er (page 16-10)