shamrock Mackinaw 26-foot, 16639 hours on vessel, documented vessel. Complete repower 2015 350, 343 hp Excalibur PCM and liberty 5 transmission. Reconditioned prop 2023 16X16, cruising speed 18 to 20 knots at 3,000 rpms. Fuel economy 6-9 GPH. Starboard fuel tank replaced in ...