1996 Johnson/Evinrude Outboards 8 thru 15 Four-Stroke Service Repair Manual P/N 507121, Page 96Get this manual

1996 Johnson/Evinrude Outboards 8 thru 15 Four-Stroke Service Repair Manual P/N 507121, Page 96

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Output Tests9.915 &
1 Twist and remove all spark plug leads
2 Adjust the gap the spark tester to 3 in(9 Conneet tester leads to the spark plug leadsSeeue tester elip to elean engine ground