1997 Johnson Evinrude "EU" 40 thru 55 2-Cylinder Service Manual, P/N 507265, Page 109Get this manual
Installation[1Install the flywheel key with its outer edge parallel to centerline of crankshaft and single upset mark facing down2Clean the crankshaft and flywheel tapers with OMC Cleaning Solvent and let dryThese surfaces must be clean and dry to allow proper locking of the tapers[] 3Align the flywheel keyway and install flywheelCoat the threads of the flywheel nut with OMC Gasket Sealing CompoundInstall the nut and torque to the correct valueSee chart belowFlywheel Nut Torque Chart Model FtLbsN'm Adhesive OMC Gasket Sealing Compound