1978 Johnson 4HP outboards Service Manual, Page 48Get this manual
FLYWHEEL INSTALLATION aClean the crankshaft and flywheel tapers with solvent and blow dry with compressed airThese surfaces must be clean and dry to allow proper locking of the tapersbI nstall the flywheel and tighten the nut to the torque specified in Section 2
IllIil NOTE
Carefully align the connector halves during assembly to insure proper terminal contactcReconnect the four wire cable connector between the armature plate and power pack and secure it with the retainerFigure 4-34Armature Plate Attaching Screws necting the throttle lever to armature plate link, then removing the screws from the support plateSee Figure 4-35