2004-2005 Honda TRX450R Factory Sevice Manual, Page 165Get this manual
CYLINDERPISTON
CYLINDERPISTON REMOVAL
CYLINDER REMOVAL
Rem ove th cylinde head (page 9-12)
Remove the following:boltcyli nde (being caref ul not to da age the piston ith he st ud bolts)
joint collar dowel pin s
two bo lts
cam chain tensio ner lifter
TENSIONER LIFTER