Mercury Racing OptiMax 300 XS Outboard Engine

The World's Most Powerful 2-Stroke Low Emissions Outboard. Mercury Racing is all about passion for perfection and the pursuit of peak performance. We have a reputation of exceeding consumer expectations in product quality and performance - something we've carried forward from the late Carl Kiekhaefer, Mercury Racing president Fred Kiekhaefer's father and founder of Mercury Marine. The all-new OptiMax 300XS outboard continues our heritage of delivering more power and performance than competitors with the same horsepower rating.

The heart of the new 300XS "Stroker" is a 3.2 Liter V-6 powerhead featuring a stroked and precision-balanced crankshaft for maximum power and performance. A dampener ensures smooth running throughout the engine operating range. New pistons feature an updated profile and a composite coating for improved wear life. Piston ring life is doubled thanks to a composite chrome coating.

The exhaust port, combustion chamber and fuel induction designs are direct descendants from our Formula 1 tunnel boat race engine. Airflow through the reed block fuel induction system is enhanced due an enhanced air box design along with thinner reed material and the unique reed shape developed for Formula 1 racing.

As with the complete line of Mercury Racing OptiMax XS outboards, the 300XS comes with a heavy-duty direct fuel injection air compressor featuring robust maxi-coated mounting brackets and hardware for enhanced compressor durability and reliability.

 Mercury Racing OptiMax 300 XS Outboard Marine Engine

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We sell: Mercury Dry Sump NXT Drive, Racing Dry Sump SIX Drive, Sterndrive Dry Sump M8 Drive, Mercury Dry Sump SIX Drive, Dry Sump SIX Drive, Mercury Racing Sterndrive, Dry Sump SIX Sterndrive, Mercury Sterndrive, Dry Sump Drive, Racing Sterndrive, Dry Sump Racing Drive, Mercury Racing drive, Dry Sump Sterndrive, Racing Marine Engine 525 EFI Sterndrive, Racing Inboard Engine 600 SCi, Racing Marine Engine 662 SCi, Racing Inboard Engine 700 SCi Sterndrive, Racing Marine Engine 850 SCi, Racing Inboard Engine 1025 SCi, Racing Marine Engine 1075 SCi Sterndrive, Racing Inboard Engine 1200 SCi, Racing Marine Engine 1100, Racing Inboard Engine 1350 Sterndrive, Outboard Verado 350 SCi, Racing OptiMax 300XS, Outboard OptiMax 250 Sport XS, Racing OptiMax 225 Sport XS, Outboard OptiMax 200 XS ROS, Racing OptiMax 200 XS SST, Outboard 60 EFI Formula Race, and more.

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