1998 Johnson Evinrude "EC" 90, 115 SPL Service Manual, P/N 520209, Page 212Get this manual
[] 13To assemble inner and outer seals to bearing housing, install outer seal retaining ring into its groove in the bearing housing
rn 14Apply CIVIC GasketApply CIVIC Triple-Guard grease to seal Sealing Compound to metal casing of each seal before installinglips before installing inner sealInstall outer seal into bearing housing with lip facing outwardPress seal in until it makes contact with retaining ring
15Install inner seal with lip facing outwardTap seal into bearing housing using socket slightly smaller than the outside diameter of the sealWhen the seal is seated, install the inner retaining ring