2006 Honda TRX680 Rincon Factory Service Manual, Page 341Get this manual
DRIVETRAIN SYSTEM Install the following: front crankcase cover 14 bolts with the side cover stays and hose guide BOLTS CRANKCASE COVER
Make sure the mating surfaces Tighten the bolts in crisscross pattern in several touch evenly, there steps securelyshould be no clearance between the cover and crankcase
STAYS Coat new O-ring with engine oil and install it onto the flange of the feed pipe BApply engine oil to the outer surface of pipe BAlign the flange Carefully insert pipe into the crankcase cover tabs with the while turning it slowly to avoid damaging the oil grooves in the seal in the crankcasecover