1997 Johnson Evinrude "EU" 40 thru 55 2-Cylinder Service Manual, P/N 507265, Page 111Get this manual
Power Test
INote Do
not exceed the coil's maximum specified amperage when testing it
The ignition coil is tested with "normal" polarity connectionsConnect tester red lead to the primary terminal of the coil and the tester black lead to the ground tab Connect the high tension lead of the tester to the coil spark plug lead
A steady spark in the tester, at or before maximum specified amperage, indicates good coilRefer to Ignition Coil SpecificationsSurface Leakage Test
INote Do
not exceed the coil's maximum specified amperage when testing it