2009-2012 Honda MUV700 Big Red Service Manual, Page 136Get this manual
LUBRICATION SYSTEM Insta ll the dowel pins through the pump bodies C, and AIn sert the drive pin into the pump shaftI nstall the inner rotor onto the pump shaftaligning its grooves with the drive pinInstall the outer rotor into the oil pump body DInstall the pump body onto the pump body CBODYD
INNER ROTOR Make sure that there is no clearance at the mating surfaces of the pump bodiesInsta ll the two assembly bolts