Hello,I have a 1986 Baja force 220 with a 350/260 HP mercruiser IO.It runs perfect up to 2800 rpms but at that speed when I give it gas it bogs down and will stall if I let it.If I feather it up past 3300 rpms it will run fine it only bogs between 2800 and 3300 rpms .I can run it up to 2800 with...