2003 Honda ATV TRX650FA Rincon Factory Service Manual, Page 93Get this manual
LUBRICATION SYSTEM Coal new O-ring with oil and install it into the relief valve groove
Install the pressure relief valve into oil pump body BInstall oil pump body onto pump body A
PU BODY B
RELIEF VALVE
Insert the drive pin into the pum shaftInstall the inner rotor onto the pump shaft, aligning its grooves with the drive pin Install the outer rotor into oil pump body CInstall pump body onto pump body B