1972 Johnson 2HP Outboard Motor Service Manual, Page 30Get this manual
4-7 dInstall liner crankcaseBoss will fit groove in crankcase only when curved side of liner tab faces crankcaseFigure 4-7 Place the armature plate in position over the bushing with liner tab in slot in armature plate hubMake sure that throttle follower is not caught under throttle control Insert screw and tighten just enough to hold armature plate in selected position yet allow it to turned without excessive effortConnect ground wirefCheck crankshaft and flywheel tapers for any traces of This assembly must perfectly dryswab tapered surfaces with solvent and blow dry with compressed airInspect both tapers for burrs nicks,_NOTE out of Figure 4-17Flywheel Position
FLYWHEEL
DO NOT permit solvent used to clean tapers to wash wick
gReplace flywheelCheck for spark connecting the spark plug high tension lead to spark checker (8tevens Experimental Part #8- 21 8-13), and cranking the engine with Tighten flywheel nut to torque specified in 8ection 2Connect the high tension lead wire to the spark plug, and insert grommet in slot in cylinder headMake sure that the terminal in the spark plug lead cover makes firm contact with the spark plug terminalFigure 4-2