1997 Johnson Evinrude "EU" 9.9 thru 30 2-Cylinder Service Manual, P/N 507263, Page 122Get this manual
IGNITION OUTPUT TESTSCD II 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 holesINotel The following series of steps will systematically isolate problem area in the ignition systemTo reduce your troubleshooting time and to avoid incomplete results, perform these steps in the order written
STEPTOTAL OUTPUT TEST
m 1Twist and remove the leads from both spark plugsrn 2Adjust leadsgapthe spark sparkleadsSecure tester clip to the on the tester to 12 in(12 mm)to plug Connect tester
clean engine groundI Note 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 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 both cylinders, go to STEPRUNNING OUTPUT TEST If tester shows good output on one cylinder, go to STEPPOWER PACK OUTPUT TEST If tester shows no output, go to STEPSTOP CIRCUIT TEST