1985 OMC 65, 100 and 155 HP Models Commercial Service Manual, PN 507450-D, Page 302Get this manual
Installation of Gearcase100 1Place new O-ring on the driveshaftCoat the driveshaft splines with OMC Moly Lube Do not coat top surface of the driveshaft, as the lubricant here may prevent seating of the driveshaft in he crankshaft2Apply OMC AdhesiveM" to the lower inner exhaust housing seal surfaces Position two new seals on the housingApply OMC Triple-Guard Grease to the seals and position the housi ng on the gearcase3Apply thin bead of OMC Adhesive "M" cement to the upper outer edge of the gearcase where it wi II contact the midsection4Slide the gearcase into place making sure that the driveshaft engages the crankshaft, the water tube enters the water pump and the lower inner exhaust housing does not slip out of position5Dip the gearcase attaching screws in OMC Gasket Sealing CompoundI nstall and tighten the screws to the following torques: 38" retaining screws 30-33 Nm (22-24 ftIbs716" retaining screws 41-43 N'm (30-32 ft Ibs 6I nstall the trim tab and align it with the index marksTighten the screw to torque of 24-27 N'm (18-20 ft Ibs7'Engage the shift rod in the shift rod link and tighten the screw