1998 Johnson Evinrude EC 5 thru 15 HP Four Stroke Service Manual, Page 112Get this manual
Output Teststhru 9.9 (211cc)
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
In To avoid electrical shock, do not handle ignition coil or spark
tester during cranking tests1Twist and remove all spark plug leads
2Adjust the gap on the spark tester to 38 in(9 mm) Connect tester leads to the spark plug leadsSecure tester clip to clean engine ground(51 mm) from any metal surface3If equipped, install the clip onto the emergency stop switchCrank the engineSpark should jump each tester gap simultaneously If tester shows good output on both cylinders, go to STEPRUNNING OUTPUT TEST If tester shows good output on one cylinder, test ignition coil as described in Ignition Coil Test, this section If tester shows no output, go to STEPSTOP CIRCUIT TEST