1995 Johnson/Evinrude Outboards 25, 35 3-Cylinder Service Manual, Page 98Get 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 100-105 ftIbs(136-142 Nm) using the flywheel holding tool as drawn on Page 3-6 and three PI 309492 screws from OMC Universal Puller Set, PIN 378103, or other suitable tool to hold the flywheelEncoder Servicing
Check the two wi ndows of the encoder for broken cracked corners or an accumulation of dirtClean or replace he encoder if neededApply OMC Locquic Primer and OMC Nut Lockto the three retaining screws Tighten the screws to 24-36 inIbs(2,7-4,1 Nm)