PRO XS - the strongest family of direct injected engines in the industry.
OptiMax Pro XS blows away the competition when it comes to power, durability, performance and fuel efficiency.
The 250 Pro XS delivers a powerful punch of both speed and acceleration. Derived from Mercury Racing’s 250 XS, the 250 Pro XS features the Torque Master gearcase! But its speed and power don’t sacrifice fuel economy, as the 250 Pro XS is very fuel efficient!