1994 Johnson Evinrude "ER" 90 LV 120 thru 140, 185 thru 225, 250, 300 Service Manual P/N 500612, Page 180Get this manual

1994 Johnson Evinrude "ER" 90 LV 120 thru 140, 185 thru 225, 250, 300 Service Manual P/N 500612, Page 180

STEPRUNNING OUTPUT TEST 1Twist and remove all primary leads from ignition coils 1201 2.atwist to install terminal extenders,
5Connect voltmeter red lead to No.1 terminal extenderConnect meter black lead to clean engine ground 6Start engine and run
under load at RPM where ignition problem exists Meter must show 130 volts or higher7Repeat Steps and for remaining cylinders
If one or more cylinders show low output, go to STEPCHARGE COIL TEST If one or more cylinders show no output, go to STEPSENSOR