2005 Mercury Marine OptiMax 150 25 in. The Mercury OptiMax 150 hp, running on plane, is up to 16 percent more fuel-efficient than competitive 150 hp four-stroke engines. Engine Displacement: 2507.0 Cubic Centimeter
2006 Mercury Marine OptiMax 150 25 in. The Mercury OptiMax 150 hp, running on plane, is up to 16 percent more fuel-efficient than competitive 150 hp four-stroke engines. Engine Displacement: 2507.0 Cubic Centimeter