2004-2005 Honda TRX450R Factory Sevice Manual, Page 180Get this manual
CLUTCHKICKSTARTERGEARSHIFT LINKAGE Clutch plat e
Repace !he clutch dJscsandpiaresas
Check th plate for discolorat ionCheck th clu tch plate for wa rpage surface plate usi ng feel er gaugeSERVICE LIM IT: 0.15 mm (0.006 in)
J udder spri ngspri ng seat
Check the judder spring and seat for damage or warpage
JUDDER SPRING
SPRING SEAT