1997-2004 Honda Fourtrax Recon TRX250TE/TM Service Manual, Page 76Get this manual
LUBRICATION SYSTEM Remove Ihe washer and oil pump shah
Mark the rotors which side is up, so they can be
reinstalled the same wayOisassemble the oil pump
Thoroughly etean all the componentsInstall the outer and inner rotors into the pump body and temporarily insert the oil pump shaft