1992 Johnson Evinrude "EN" 9.9 thru 30 Service Manual, P/N 508142, Page 190Get this manual
24Thoroughly clean and degrease the crankcase mating flange of the cylinder block with OMC Cleaning Solvent and let air dry25Apply Locquic Primer to the mating flange of the crankcase and let air dry1601 26Apply Gel-Seal lito the cylinder block flangeThe application must cover the flange evenly and consistently without being excessiveThe application must not come within 14 in(6,4mm) 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 ofthe tube can not be determinedUsing old Gel-Seal II could cause crankcase air leaks27Lower the crankcase into place28Lightly coat threads of the six main bearing screws with OMC Gel-Seal IIInstall the screws finger tight