1998 Johnson Evinrude "EC" 90, 115 SPL Service Manual, P/N 520209, Page 204Get this manual
29Models using retainer plate and retaining rings:
Slide the bearing housing retainer plate into position over the propeller shaft
Using OMC Retaining Ring Pliers, PIN 331045, install the two retaining rings with their gaps toward the topRetaining rings are under extreme pressure during installationWear safety glasses and proceed with care to avoid unsnapping the ring from the pliersLook inside the gearcase and make sure the retaining rings are seated in their grooves in the gearcase
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Thread 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 plateCarefully apply OMC Gasket Sealing Compound to the a-ring flange and aft support flange of the bearing housingDo not allow sealer to contact either forward thrust surface or bearings in the housingAlign the bearing housing on the guide pins with the word "UP" toward the top and the drain slot at the bottomPress the bearing housing into the gearcase and tap the housing in with soft face mallet to seat the a-ring