1991 Johnson/Evinrude EI 60 thru 70 outboards Service Manual, Page 109Get this manual
Installation
1sl 1Install the flywheel key centerline of crankshaft
with outer edge parallel to
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 tapersf61 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