Hi. I have what I HOPE is not a stupid question. I have a 75 hp Evinrude Model 50523. I have spark on 2 of the 4 cyl. but not on the other 2. I thought at first that it was wires so I took off and tested all of the wires. Repaired 2 of the 4 so I thought that problem was solved... NOPE still...
