1996 Johnson Evinrude "ED" 40 thru 55 2-Cylinder Service Manual, P/N 507124, Page 161Get this manual
1421 45Install the lower crankcase headApply OMC Gasket Sealing Compound to threads of the retaining screwsInstall screws finger tight46Starting at the center, torque all main bearing screws in stages to 18-20 ftIbs(25-27 Nm)1431 47Temporarily install the flywheel and key to rotate crankshaft and check for binding1441 4860-84
the eight flange screws and torque screws to Ibs(7-9
1451 49Torque the lower crankcase head screws to 60-84 inIbs(7-9 Nm)1461 50Lightly coat both sides of new exhaust cover gasket with OMC Gasket Sealing CompoundInstall the gasket and exhaust cover1471 51Starting at the center and expanding outward, torque all screws in stages to 60-84 inIbs(7-9 Nm)1481 52Install the intake manifold and leaf valve assembly using new gasketDo not use sealer on gasketTighten the screws to torque of 60-84 inIbs(7-9 Nm)