Discover the world’s first hydrogen outboard engine-powered boat How you’ll pick from gasoline, diesel, ... boat runs on a tweaked version of Yamaha’s powerful 450hp XTO outboard engine, ...

The H2 hydrogen outboard is a derivative of Yamaha's XTO Offshore outboard engines. The XTO Offshore outboard's 5.6-liter V8 gasoline-engine produces up to 450 horsepower, making it one of the ...

Yamaha has become an early leader in hydrogen engine development for autos, and now it's looking to launch its hydrogen-combustion program into the water. Its new hydrogen outboard prototype will ...

The most powerful Yamaha marine engine made to date is the XTO F450, which was unveiled in 2023. It's the most powerful iteration of Yamaha's 5.6L V8 range, ...

A two-stroke 50hp Yamaha has an MSRP of around $6,500, for example, while the same size Yamaha in a four-stroke option costs closer to $8,000. Two strokes have a simpler engine design that requires ...

A thoroughly modern diesel engine, there are no clouds of smoke to endure with the Cox 350, as this trolling-speed photo shows. Courtesy Cox Marine. This purpose-built V-8 features twin turbos. The ...

Yamaha WaterCraft, a division of Yamaha U.S. Marine Business Unit, today unveiled a new 1.9L High Output Yamaha marine engine for WaveRunners and boat ...

And for twin-engine boats, that means Yamaha is packing 400 horsepower into some of its 22-footers, which we imagine would mean 50-plus-mph top speeds given that the 210 FSH hit 48.0 mph with the ...

Yamaha's hydrogen-powered outboard engine, dubbed the H2, is part of a prototype project announced in December of 2023 that includes fuel system engineering by Roush CleanTech, part of the same ...