1993 Johnson Evinrude "ET" 2 thru 8 Service Manual, P/N 508281, Page 117Get this manual
IGNITION OUTPUT TESTSthru 8 ill plugs installed and torqued in the cylinder headIf necesAll 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
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
GJ 1Twist and remove the leads from both spark plugs2Adjust the gap on the spark tester to V2 in(12 mm)Connect tester leads to the spark plug leadsSecure tester clip to clea engine groundTo prevent possible arcing of high voltage, route tester leads at least in(51 mm) from any metal surface
i or spark tester during cranking tests