1996 Johnson Evinrude "ED" 90 LV 125C, 130, 200, 225, 250 Service Manual, P/N 507128, Page 185Get this manual
Output Tests125RW
ill plugs installed and torqued in the cylinder headIf necesSTEPTOTAL OUTPUT TEST
All cranking output tests must be performed with spark
sary to remove the spark plugs, be sure to keep the spark tester away from open spark plug holes
f1l 1Twist and remove the spark plug leads from both spark plugs
t=I Connect tester leads to the spark plug leadsSecure tester clip
to clean engine groundTo prevent possible arcing of high voltage, route tester leads at least in(51 mm) from any metal surface
2Adjust the gap on the spark tester to '2 in(12 mm)
i or spark tester during cranking tests
'" To avoid possible shock hazard, do not handle ignition coils
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 cylinder, 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 sequenceIt is possible for the ignition system to have problem but still produce good outputIf the engine "pops" or "backfires" during starting, the ignition may be out of timeCheck the following: Coil primary wire routing Spark plug lead routing Flywheel condition and location Synchronization and linkage adjustments