1981 Johnson/Evinrude 4HP Outboards Service Manual, Page 52Get this manual
cBoth ModelsCoat driveshaft splines with OMC Moly Lube Part No173250Do not coat top surface of shaft as lubricant here may prevent seating of driveshaft in crankshaftdPlace new gasket on the exhaust housing Assemble powerhead to exhaust housing, and torque attaching screws to specifications outlined in Section 2eWeed less ModelInstall gearcase on exhaust housing making sure water tube enters grommet of water pump fBoth ModelsInstall leaf plate assembly, intake manifoldand carburetor as described in Section 3gInstall ignition components and flywheel as described in Section 4hTank test motor using test propellerCheck cooling and adjust carburetor8 3205