1998 Johnson Evinrude "EC" 90, 100C, 105C, 115, 150, 150C, 175 60 deg. LV Service Manual, P/N 520210, Page 169Get this manual
40Apply CIVIC Locquic Primer to the mating flange of the crankcase and let air dry41Apply CIVIC Gel-Seal I! sealant to the crankcase mating flange of the cylinder blockThe application must cover the flange evenly and consistently without being excessiveThe application must not come within in(6,4 mm) of crankcase seal rings or bearing
INote ONe Gel-Seal I! sealant has shelf life of at least one year
when stored at room temperatureTest the CIVIC Gel-Seal I! sealant or replace it if the age of the tube cannot be determinedUsing old CIVIC Gel-Seal I sealant could cause crankcase air leaks
42Thoroughly clean upper seal area ofthe crankshaftPlace new upper seal on crankshaftDo not apply sealer to outside diameter of the seal43Lower the crankcase into place