1985 OMC 65, 100 and 155 HP Models Commercial Service Manual, PN 507450-D, Page 296Get this manual
2Apply OMC Needle Bearing grease to the 18 rollers and insert them in the bearing case3Place the bearing on the installer tool with the lettered side of the bearing facing the top of the gearcaseUse OMC Needle Bearing Grease to hold the bearing onto the toolfN=t:llncorrect installation of the pinion bearing in the gearcase drastically reduces the life of the bearingThe bearing is tapered so that when installed correctly its shape compensates for stresses in the gearcase and allows full roller contactWhenever gearcase is disassembled, the pinion bearing should be checked to ensure that it has been installed with the lettering facing up4I nsert the tool with the bearing into the gearcaseDrive the bearing into the gearcase until the washer on the tool contacts the spacer5Remove the toolApply OMC Gasket Sealing Compound to new pinion bearing retaining screw O-ring Position the O-ring on the screwInstall the screw into the gearcase Tighten the screw to torque of 5,59,0 Nm (4880 in Ibs Pinion ShimmingUsing OMC Special Tool PIN 321520100