1997 Johnson Evinrude "EU" 125C, 130, 200, 225, 250 90 LV Service Manual, P/N 507269, Page 182Get this manual
Output Tests125RW All 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 the spark plug leads from both spark plugs
m 2Adjust leadsgapthe spark sparkleadsSecure tester clip to the on the tester to 12 in(12 mm)to plug Connect tester
clean engine ground
INote To
prevent possible arcing of high voltage, route tester leads at least in(51 mm) from any metal surface
To avoid possible shock hazard, do not handle ignition coils or spark tester during cranking tests
3If 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 good output on at least one cyl nder, go to STEPSENSOR COIL TEST If tester shows no output, go to STEPSTOP CIRCUIT TEST4Refer to Troubleshooting Sequence Chart Page 3-62Start with your specific fault symptom and continue troubleshooting in sequence