2004-2009 Honda TRX450R/TRX450ER Service Manual, Page 303Get this manual
CRANKCASETRANSMISSIONCRANKSHAFTBALANCER ('04'05) Loosen the thirteen crankcase bolts in crisscross pattern in or stepsRemove the bolts, relief valve set plate and oil strainer pipe set plateRemove the relief valve, oil strainer and oil pipeOIL STRAINER OIL PIPE