2017 Mercury 250 Pro XS, Outboard 4 Stroke, 2017 Mercury Marine 250 hp Pro XS Outboard Torque Master II Gearcase Motor is in immaculate condition with low hours. Very clean and comes with an oil tank and soft cover. Pro XS is the best-selling tournament fishing outboard in the world, and has powered more competitive anglers to victory than any other engine. Run with the same confidence professional tournament anglers have - trust Pro XS. Custom exhaust tuners and high-performance cylinder heads maximize power, torque and overall performance for spectacular acceleration and top speed.