1988 Johnson/Evinrude "CC" 40 thru 55 Models Service Manual, Page 222Get this manual
20Locate the driveshaft bearing cone and shim(s) squarely in cavity of the gearcasePush the driveshaft seal housing in position Apply OMC Gasket Sealing Compound to the threads of the housing retaining screwsInstall the screws and tighten the screws little at time to press the bearing cup down evenlyTighten the screws to torque of 96-120 in Ibs(11-14 Nm)21Oil, then install first the thrust bearing and then the thrust washer on the hub of the reverse gearSlide the reverse gear onto the propeller shaft until it engages the pinion22 Slide the bearing housing retainer plate into position over the propeller shaft9438
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install the two retaining ringsRetaining rings are under extreme pressure during installationWear safety glasses and proceed with care to avoid unsnapping the ring from the pliers Look inside the gearcase and make sure that the retaining rings are seated in the grooves in the gearcase24Thread two OMC Guide Pins PI 383175 into the retainer plate to align holes in the plate with holes in the propeller shaft bearing housingDo not thread guide pins more than two turns into the retainer plate