2011 Yamaha Yzf-r1 on 2040-motos

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A breath of fresh air

Dean Benstead's air-powered bike project, O2 Pursuit, which we spoke about a year ago, seems to have come along nicely since. Here's a video of the Australian's rotary air compression-engined Yamaha WR250R being taken out for a spin. Apparently it can hit 87 mph and cover more than 60 miles on a scuba-tankful's worth.

Callaway Builds Motorcycle Engine

Callaway is a name that has become synonymous with Corvettes over the years, and with good reason. However, in addition to unleashing the power of America’s legendary sports car, Reeves Callaway has also done technical and engineering consulting for motorcycle companies such as Yamaha. A few years ago, he showed the world a V16 motor he built using four Yamaha 1,000cc motorcycle engines mounted on a custom fabricated aluminum block.

AMA Supercross: 2012 Phoenix Results

Ryan Dungey gave KTM its first ever AMA Supercross win, taking the holeshot and leading every lap in Phoenix, Ariz. With an audience of 49,236 watching at Chase Field, it was the field that had to chase Dungey during the main event. Dungey jumped out in front at the first corner followed by JGRMX Yamaha‘s Davi Millsaps and defending AMA Supercross Champion Ryan Villopoto of Kawasaki.