Mercury Pro XS® outboards possess the ideal combination of lightweight engineering and high displacement to maximize power, torque and overall performance. Whether running compact bass rigs, flats skiffs or multi-species boats – on freshwater or saltwater – Pro XS is unmatched muscle for midsized boats.

​Mercury Pro XS® outboards are engineered for those boaters who demand ultimate performance – anglers competing on the highly competitive tournament trails and powerboaters who simply crave speed and acceleration. Exclusive components and tuning extract every ounce of performance from each Pro XS model so you can take it to the limit.

Mercury 

4.6L V8

Mercury 4.6L V8 250 and 300hp FourStroke outboards deliver legendary performance and an all-around elevated boating experience. Reliability. Comfort. Power. Handling. Easy ownership. Flexibility. For any body of water and across a wide variety of boats, every facet of a Mercury FourStroke outboard is engineered to ensure you make the most of your time on the water.