1996 Johnson Evinrude "ED" 90 LV 125C, 130, 200, 225, 250 Service Manual, P/N 507128, Page 182Get this manual
STEPPOWER PACK TEST
To prevent accidental starting of engine while testing, twist and remove all spark plug leads
1Twist and remove all primary leads from ignition coilsf'19l 2Connect No.1 ignition coil primary lead to Stevens Instrument load adapter NoPL-88 red leadConnect adapter black lead to clean engine ground If Stevens Instrument NoPL-88 is not available, you can make an adapter using 10-ohm, 10-watt resistor, Radio Shack No271-132, or equivalent3Set peak-reading voltmeter to "POS" and "500"4Connect voltmeter red lead to adapter red lead and meter black lead to clean engine ground5Crank engine and observe meter Meter must show 100 volts or higher