1997 Johnson Evinrude "EU" 90, 105RW, 115, 150, 150W, 175 60 LV Service Repair Manual, P/N 507268, Page 128Get this manual

1997 Johnson Evinrude "EU" 90, 105RW, 115, 150, 150W, 175 60 LV Service Repair Manual, P/N 507268, Page 128

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Output Tests
2 Adjust the gap on the spark tester to 7 16 in(11 mm)Connect tester leads to the spark plug leadsSecure tester clip to clean engine ground(51 mm) from any metal surface
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