1989 Johnson Evinrude "CE" 9.9 thru 30 Service Manual, P/N 507754, Page 175Get 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 dry 1601 26Apply Gel-Seal" to the cylinder block flangeThe application must cover the flange evenly and consistently without being excessiveThe application must not come within 114 in(6,4 mm) of the labyrinth seals or bearings
1 Gel-Seal" has shelf life of at least one year when stored Note
at room temperatureTest the Gel-Seal" or replace it if the age of the tube can not be determinedUsing old Gel-Seal "could cause crankcase air leaks
27Lower the crankcase into place28Install the six main bearing screws finger tight29When the crankcase is seated, install and firmly seat the crankcase taper pin30Install crankcase flange screws finger tightf611 31Lightly coat the machined mating surface of the crankcase head with OMC Gasket Sealing CompoundLubricate new crankcase head O-ring with OMC Triple-Guard grease and install itInstall the lower crankcase headLightly coat the threads of three new crankcase head screws with OMC Gasket Sealing Compound and install them finger tight