1993 Johnson Evinrude "ET" 60 thru 70 Service Manual, P/N 508284, Page 100Get this manual
Installation 1Install the flywheel key with its outer edge parallel to centerline of crankshaft
2Clean the crankshaft and flywheel tapers with OMC Cleaning Solvent and let dryThese surfaces must be clean and dry to allow proper locking of the tapers1sl3Align the flywheel keyway and install flywheelCoat the t.J threads of the flywheel nut with OMC Gasket Sealing CompoundInstall the nut and torque to the correct valueSee chart belowFlywheel Nut Torque Chart