1995 Johnson/Evinrude Outboards 40 thru 55 2-Cylinder Service Manual, Page 161Get this manual
Thoroughly clean and degrease the crankcase mating flange of the cylinder block with OMC Cleaning Solvent and let air dry
1361 38Apply OMC Locquic Primer to the mating flange of the
crankcase and let air dry
1371 39Apply Gel-Seal Ito the cylinder block flangeThe applica-
tion must cover the flange evenly and consistently without being excessiveThe application must not come within in(6,4 mm) of the labyrinth seals or bearings
Gel-Seal I has shelf life of at least one year when stored at room temperatureDiscard your Gel-Seal I if its age cannot be determinedUsing old Gel-Seal II could cause crankcase air leaks