1998 Johnson Evinrude "EC" 125C, 130, 200, 225, 250 90 deg LV Service Manual, P/N 520212, Page 186Get this manual
Output Tests125RW 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
rn 1Twist and remove the spark plug leads from both spark plugsrn 2Adjust leadsgapthe spark sparkleadsSecure tester clip to the on the tester to '2 in(12 mm)Connect tester to plug
clean engine groundINotel 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 Iftester 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 sequenceI Note It 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: