1997 Johnson Evinrude "EU" 125C, 130, 200, 225, 250 90 LV Service Manual, P/N 507269, Page 179Get this manual
STEPPOWER PACK TEST
it To prevent accidental starting of engine while testing, twist and remove all spark plug leads1Twist and remove all primary leads from ignition coils
2Connect No.1 ignition coil primary lead to Stevens load adapter NoPL-88 red leadConnect adapter black lead to clean engine ground
INote If Stevens 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 ground