1997 Johnson Evinrude "EU" 125C, 130, 200, 225, 250 90 LV Service Manual, P/N 507269, Page 155Get 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 coils
2Connect No.1 ignition coil primary lead to Stevens load adapter NoPL-88 red leadConnect adapter black lead to clean engine groundIf Stevens NoPL-88 is not available, you can make an adapter using 10-ohm, 10-watt resistor, Radio Shack No271-132, or equivalent
3Set peak-reading voltmeter to "POS" and "500"