I have a 1987 115hp 6 cyl Mercury.<br />I just bought Boat and Motor, Little cold blooded at first, but Idle's fine @ 750 RPM without load and 1K RPM with load. Took it up to 5500 with no load - N.P. Runs great.<br />As soon as I put a load on motor, it started to stutter and hesitate @...
