1979 Evinrude 4 HP Outboards Service Manual, PN 5424, Page 62Get this manual
cPlace new gasket on the exhaust housing Apply oil or liquid soap to end of water tubeAssemble powerhead to exhaust housing, and torque attaching screws to specifications outlined in Section 2dCoat driveshaft splines with OMC Moly LubeDo not coat top surface of shaft as lubricant here may prevent seating of driveshaft in crankshafteInstall gearcase on exhaust housing making sure water tube enters grommet of water pump fInstall leaf plate assembly, intake manifoldand carburetor as described in Section 3g Install ignition components and flywheel as described in Section 4hTank test motor using test propellerCheck cooling and adjust carburetor1Lower bearing snap ring 2Lower crankshaft seal Figure 5-22Lower Bearing Snap Ring and Seal