2006 Honda TRX680 Rincon Factory Service Manual, Page 113Get this manual
LUBRICATION SYSTEM Install the oil pump driven sprocket onto the pump shaft, aligning the flatsApply locking agent to the driven sprocket bolt threadsInstall and tighten the driven sprocket boltTORQUE: 12 (1.2 kgf-m, Ibf ft) DRIVEN SPROCKET
BOLT Coat new O-ring with oil and install it into the relief valve groove
O-RING Install the pressure relief valve into oil pump body BInstall oil pump body onto pump body ARELIEF VALVE PUMP BODY B