As further proof of this, the next bike to be handed the Wankel torch was on the other side of the world, at the Yamaha Headquarters in Japan. Licensing the rotary design in 1972, The Iwata giant ...

Its maker believes it could be the final word in combustion bikes. Brian Crighton pioneered the use of twin-rotor Wankel motors in race bikes in the late 1980s. Working as a maintenance tech at ...

The X-Mini engine is a bit similar to a Wankel engine, but sort of reversed: where a wankel has a triangular-ish shaped rotor in a sort of siamesed-circle combustion chamber, the X-mini uses a ...

At the time of my visit to the company last fall, two dozen bikes had been sold. It wouldn’t be a terrible fate for the Stringbike to achieve the same cult status as Mazda’s Wankel-powered ...