1997 Johnson Evinrude "EU" 125C, 130, 200, 225, 250 90 LV Service Manual, P/N 507269, Page 170Get this manual
Output Tests -
cranking output tests must be performed with spark plugs installed and torqued in the cylinder headIf necessary to remove the spark plugs, be sure to keep the spark tester away from open spark plug holes
STEPTOTAL OUTPUT TEST
1Twist and remove all spark plug leads
2Adjust the gap on the spark tester to 716 in(11 mm)Connect tester leads to the spark plug leadsSecure tester clip to clean engine groundprevent possible arcing of high voltage, route tester leads at least in(51 mm) from any metal surface
INote To
& To avoid possible shock hazard, do not handle ignition coils
or spark tester during cranking tests3If equipped, install the emergency stop switch clip and lanyard assemblyCrank the engineSpark should jump each tester gap alternately If tester shows good output on all cylinders, go to STEPRUNNING OUTPUT TEST If tester shows no output on cylinders thru 8, go to STEPSHIFT SWITCH TEST If tester shows good output on at least one cylinder, go to STEPCHARGE COIL TEST If tester shows no output, go to STEPSTOP CIRCUIT TEST4Refer to Troubleshooting Sequence Chart Page 3-50Start with your specific fault symptom and continue troubleshooting in sequence