2004-2009 Honda TRX450R/TRX450ER Service Manual, Page 279Get this manual
CLUTCHSTARTER CLUTCHKICK STARTERGEARSHIFT LINKAGE (After '05) Remove the snap ring and one-way clutch from clutch outerSNAP RING ONE-WAY CLUTCH
CLUTCH OUTER Check the needle bearing for abnormal wear or damage
NEEDLE BEARING
Check the starter driven gear for abnormal wear or damageMeasure the driven gear boss O.DSERVICE LIMIT: 45.660 mm (1.7976 in) Measure the driven gear boss I.DSERVICE LIMIT: 36.034 mm (1.4189 in)