2004-2009 Honda TRX450R/TRX450ER Service Manual, Page 276Get this manual
CLUTCHSTARTER CLUTCHKICK STARTERGEARSHIFT LINKAGE (After '05) Coat new O-ring with oil and install it into the clutch cover groove
Install the clutch cover, and tighten the six bolts securelyInstall the brake pedal (page 19-28)Fill the crankcase with the recommended transmission oil (page 4-18)
CLUTCH LIFTER ARM