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Cox Outboard
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All The Benefits Of Diesel. None Of The Compromise

The CXO300 diesel outboard engine truly breaks new ground, delivering the same uncompromising power, performance, and durability you'd normally only associate with a diesel inboard engine.

At the same time, it offers all the convenience and flexibility of an outboard and is similar in size and weight to gasoline alternatives, as well as more efficient. Which means it is designed to be compliant with the toughest emissions standards in the world including IMO, EPA and EU emissions levels.

Inboard Performance From An Outboard Diesel Engine

The secret behind the CXO300 outboard engine is our patented Opposed Piston Diesel (OPD) technology. Built and refined by experienced Formula 1 designers, OPD enables the four-cylinder, eight-piston supercharged 2-stroke CXO300 to achieve 1HP/KG – double the amount of a standard diesel outboard engine.

The simplicity of the design requires fewer parts; meaning less weight, less maintenance and less risk of failure. The perfect balance of the engine significantly reduces vibrations. Eliminating lubrication breakdown also prevents cylinder degradation and power loss

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