1996 Johnson Evinrude "ED" 9.9 thru 30 2-Cylinder Service Manual, P/N 507122, Page 179Get this manual
34Thoroughly clean and degrease the crankcase mating flange of the cylinder block with OMC Cleaning Solvent and let air dry
35Apply Locquic Primer to the mating flange of the crankcase
and let air dry
1281 36Apply Gel-Seal Ito the cylinder block flangeThe application must cover the flange evenly and consistently without being excessiveThe application must not come within 14 in(6,4 mm) of the labyrinth seals or bearingsGel-Seall has shelf life of at least one year when stored at room temperatureTest the Gel-Seal I or replace it if the age ofthe tube can not be determinedUsing old Gel-Seal II could cause crankcase air leaks
37Lower the crankcase into place38Lightly coat threads of the six main bearing screws with OMC
Gel-Seal IIInstall the screws finger tight
39When the crankcase is seated, install and firmly seat the crankcase taper pin40Install crankcase flange screws finger tight1291 41Using soft face mallet, lightly tap bottom of the