1990 Johnson Evinrude 120 thru 140, 185 thru 225, 300 HP, P/N 507875, Page 155Get this manual

1990 Johnson Evinrude 120 thru 140, 185 thru 225, 300 HP, P/N 507875, Page 155

119' 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 coils2Connect No.1 ignition coil primary lead to Stevens Instrument load adapter NoPL-88 red leadConnect adapter black lead to clean engine groundIf 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 4.Connect PRV meter red lead to adapter red lead and meter black lead to clean engine ground