hey was just trying to find out what year my 75 hp mercury was i'm having some issue's with 3 and 4 cylinder not firing i chased a wire coming from under the flywheel and it was hard like it was heated up and green crosion from the wire so i replaced the bad wire and i can't get any spark on 3 and four cylinder i think all my coils are good .........here's the number off the motor 7208790
