1989 Johnson Evinrude "CE" 9.9 thru 30 Service Manual, P/N 507754, Page 149Get this manual
20Thoroughly clean and degrease the crankcase mating flange of the cylinder block with OMC Cleaning Solvent and let air dry21Apply Locquic Primer to the mating flange of the crankcase and let air dryr:::;-:;J 22Apply Gel-Seal" to the cylinder block flangeThe application 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 1 Note
Gel-Seal" has shelf life of at least one year when stored 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 leaks23 Lower the crankcase into place24Install the six main bearing screws finger tight25When the crankcase is seated, install and firmly seat the crankcase taper pin
1441 26Tighten the six main bearing screws in stages to final