1990 Johnson Evinrude "ES" 40 thru 55, P/N 507872, Page 126Get this manual
STEPCHARGE COIL TEST
To prevent accidental starting of engine while testing, twist and remove both spark plug leads
1Remove manual starter and flywheelRefer to Flywheel Servicing, Page 3-8Remove the two ignition module mounting screws
Disconnect the brown and brownyellow lead bullet con-