Iam thinking of buying a Merc 1990 115 hp 2 stroke 4 cylinder and the owner says<br />"I made it about 1/2 mile from the dock and it quit. I had to wait, start it, go 200 feet quit, wait, start it, go 200 feet, ect...engine compression it was 140psi on three cylinders and 117psi on one...
