2014 Mercury 250L Optimax Pro XS Torque Master V6 Outboard Motor

Run with the Pros

The tournament-tested Mercury ProXS lineup is the choice of thousands of performance-minded anglers. Only OptiMax ProXS engines feature durable and responsive Carbon Fiber Reeds to control airflow into the engine crankcase, while dome-Shaped Piston Heads direct the fuel-and-air charge to the spark plug more efficiently. This results in amazing power, outstanding durability, and excellent running quality. In head-to-head tests, the 150 hp ProXS outran the competition by almost 5 mph – while delivering 15% better fuel economy. In addition, we outfitted the 250 hp ProXS with Solid Billet Aluminum Mounts to keep the engine from turning or twisting under high torque (20 in. models only).

Long-Lasting Stainless

OptiMax is built with more stainless steel and corrosion-resistant components, which translates to saltwater durability, longer intervals between maintenance, and lower cost of ownership. In addition, our lower-pressure direct-injection system also provides superior component durability and longevity.

Ultimate Efficiency

The innovative OptiMax Direct Injected system delivers the ultimate in efficiency, squeezing more miles and performance from every drop of fuel. The unique shapes of the OptiMax-exclusive Dome-Shaped Pistons and combustion chambers enhance fuel economy and lower emissions by efficiently directing the fuel/air charge to the spark plug. The OptiMax Air Compressor provides a steady charge of cooled air for maximum combustion efficiency.


Engine Type: V-6

Horsepower: 250 hp (184 kW) at prop

Displacement: 3.0 l

RPM: 5,500 – 6,000 full throttle RPM

Fuel Induction: 2-stage Direct Fuel Injection (DFI)


Gear Ratio: 1.75:1

Gear Shift: Remote Mechanical


Alternator: 60A, 756W belt-driven


Shaft Length: 20 in. (508 mm)

Weight: 505 lbs. (229 kg)


Steering: Big Tiller compatible Remote

Trim System: Power Trim and Tilt

Instrumentation: SmartCraft Engine Guardian


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