Hi
I have a 75 mariner 4 cylinder 2 storke.
I have from 125psi to 130psi on all 4 Cylinders. My number 2 cylinder has spark but its not firing the cylinder. It Idles rought. I had to turn up the Idle to 1300 rpm just for it to run.
I pull the number 2 sprak plug wire off when its...
