i have a 1975 evinrude 85hp v4 all four cylinders have spark but only 3 seem to be getting fuel cyl 1 plug looks a little black like normal cyl 2 looks like a brand new plug no black at all cyl 3 looks normal like cyl 1 but cyl 4 looked like its running rich. this is what i think all fuel for cyl 2 is going to 4 trying to foul it out just want some opinions from other people thanks