1998 Johnson Evinrude "EC" 90, 115 SPL Service Manual, P/N 520209, Page 214Get this manual
28Using retaining ring pliers, install retaining ring with beveled side of retaining ring facing outwardMake sure the retaining ring is seated in its grooveWear safety glasses and proceed with care to avoid unsnapping the ring from the pliers29After assembly is complete, rotate driveshaft in bearing housingThe assembly should turn freely30Coat three new O-rings with OMC Triple-Guard grease and install in grooves in the bearing housing