1996 Johnson Evinrude "ED" 40 thru 55 2-Cylinder Service Manual, P/N 507124, Page 134Get this manual
15 DR4256
STEPPOWER PACK OUTPUT TEST
To prevent accidental starting of engine while testing, twist and remove both spark plug leads
1Twist and remove 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 ground
INotellf Stevens Instrument NoPL-88 is not available, you can make an adapter using 10-ohm, 10-watt resistor, Radio Shack No271-132, or equivalent
3Connect peak-reading voltmeter red lead to adapter red lead and meter black lead to clean engine ground4Adjust voltmeter to settings listed in following chartCrank engine and observe meterMeter must show at least: Models 40RVV, RS, RP; 45, 55 40RE, SA 12 Amp VoltmeterNEG," 500 "POS," 500 "POS," 500 Output 150 150 150