2002/2003 Johnson SN/ST 2 Stroke 3.5, 6 8 HP Outboards Service Manual, PN 5005466, Page 83Get this manual
IGNITION IGNITION TESTS68
IGNITION TESTS68&WARNING
WARNING
All cranking output tests on the CD II ignition system 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 holesThe following series of steps will systematically isolate an ignition problemTo reduce your troubleshooting time and to avoid incomplete results, perform these steps in the order written
To avoid possible shock hazard, do not handle ignition coils or spark tester during cranking testsIf equipped, install the emergency stop switch clip and lanyard assemblyCrank the engineSpark should jump each tester gap alternately
Results:
If tester shows good output on both cylinders, go to Power Pack Running Output Test If tester shows good output on one cylinder, go to Power Pack Cranking Output Test If tester shows no output, go to Stop Circuit Tests