2006 Honda TRX680 Rincon Factory Service Manual, Page 115Get this manual
LUBRICATION SYSTEM Apply oil to new O-rings and install them onto the oil pass pipeInstall the oil pass pipe to the oil strainer pipe
Coat new O-rings with oil and install them onto the oil joint pipes
Install the oil pump drive chain onto the driven sprocket of the oil pump, and install the oil pump onto the crankcaseInstall the three mounting bolts and tighten them securelyInstall the torque converter (page 14-73)