1994 Johnson/Evinrude "ER" 9.9 thru 30 outboards Service Manual, Page 163Get this manual
19Thoroughly clean and degrease the crankcase mating flange of the cylinder block with OMC Cleaning Solvent and let air dry20Apply Locquic Primer to the mating flange of the crankcase and let air dryf19121Apply Gel-Seal lito the cylinder block flangeThe application must cover the flange evenly and consistently without being excessiveThe application must not come within V4 in(6,4 mm) of the labyrinth seals or bearings
Gel-Seal II has shelf life of at least one year when stored at room temperatureTest the Gel-Seal II or replace it if the age of the tube can not be determinedUsing old Gel-Sealllcouid cause crankcase air leaks22Lower the crankcase into place2023Lightly coat threads of the six main bearing screws with OMC Gel-Seal IIInstall the screws finger tight2124When the crankcase taper pinis seated, install and firmly seat the