2004-2009 Honda TRX450R/TRX450ER Service Manual, Page 283Get this manual
CLUTCHSTARTER CLUTCHKICK STARTERGEARSHIFT LINKAGE (After '05) Remove the thrust washer from the kickstarter first idle gearRemove the kickstarter first idle gear assemblyFIRST IDLE GEAR ASSEMBLY
Remove the bolt and idle gear stopper plateRemove the kickstarter idle gear and bushing
DISASSEMBLY