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Optimized Fueling

Go further. The 450R features a closed-loop fuel-control system that squeezes every bit of power from every drop of fuel.

89 Octane Pump Gas

Convenient combustion. The 450R delivers reliable, powerful performance on readily available 89-octane fuel.

Three-Year Limited Warranty

We back up our performance with a three-year limited factory warranty, a three-year corrosion warranty and an available Mercury Product Protection Plan for up to five additional years of coverage.

Unwavering Durability

Validated with countless hours of rigorous testing, the 450R is prepared for the abuse of high-speed performance boating. The Quad Cam valve train is maintenance-free and our corrosion protection system is unmatched.

Full Specs and Customization

See the specs that put the 450R in a class of its own, and use our outboard design tool to create the motor of your dreams.

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Can’t get enough horsepower? Subscribe to our list and receive our R-Series brochure. Take an in-depth look at the 450R and the rest of the Mercury Racing family of outboard engines.