2000-2003 Honda TRX350 Rancher factory service manual, Page 76Get this manual
LUBRICATION SYSTEM Be sure that there are no gap between the mating surfaces and tighten the bolt
INSTALLATION
Set the pump assembly onto the crankcase by aligning the pump shaft end with the balancer groove and tighten the three bolts securely
OIL PUMP
Coat new O-rings with engine oil and install them onto the scavenge oil pipeInstall the oil pipe into the crankcase and tighten the bolt