1995 Johnson/Evinrude Outboards 9.9, 15 four-stroke Service Repair Manual P/N 503140, Page 76Get this manual

1995 Johnson/Evinrude Outboards 9.9, 15 four-stroke Service Repair Manual P/N 503140, Page 76

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6 Test spark plug leads for continuityCalibrate ohmmeter
steady spark at, before, maximum specified amperage indicates the coil is goodRefer to Ignition Coil SpecificationsSurface Leakage Test