1997 Johnson Evinrude "EU" 9.9 thru 30 2-Cylinder Service Manual, P/N 507263, Page 153Get this manual
19Thoroughly clean and degrease the crankcase mating flange of the cylinder block with OMC Cleaning Solvent and let air dry20Apply OMC Locquic Primer to the mating flange of the crankcase and let air dry
21Apply OMC Gel-Seal II to the cylinder block flangeThe application must cover the flange evenly and consistently without being excessiveThe application must not come within 1f4 in(6,4 mm) of the labyrinth seals or bearings
1 1OMC Note
Gel-Seal II has shelf life of at least one year when stored at room temperatureTest the OMC Gel-Seal II or replace it if the age of the tube can not be determinedUsing old OMC Gel-Seal" could cause crankcase air leaks22Lower the crankcase into place
23Lightly coat threads of the six main bearing screws with OMC Gel-Seal IIInstall the screws finger tightcrankcase taper pin
I1I1 24When the crankcase is seated, install and firmly seat the
COA6229
25Using soft face mallet, lightly tap bottom ofthe crankshaft to seat the lower main bearing