The SM-94, 4 cylinders marine engine with mechanical injection on a Mitsubishi block with turbocharged intake system, it has a 3.331 cc displacement and performs 94 hp at 2.500 rpm. The turbocharge allows to fit this engine in those semi displacement and displacement boats with high power demand but limited space in the engine room. This is a versatile engine which can run on leisure and commercial boats. It has single piece heat exchanger, avoiding the possibilities of leaking, and a oversized raw water pump, ensuring that the engine receives the water flow needed for the engine refrigeration.