Roper's steam concept may have been futuristic ... Modern single-cylinder motorcycle engines generally range in displacement from 49 cc in the Super Cub to 450 cc in motocross bikes, but they ...

this Black Pearl is a land vehicle powered by a steam engine. Constructed by Dutch company Revatu Customs, the two-wheeled locomotive is a fully functioning motorcycle, albeit a slow one.

Colby Higgins is a design student in Boston, and Train Wreck is his brainchild: just like the name suggests it, we're dealing with an amazing steam engine bike concept. It's really hard to point ...

The motorcycle was invented ... son Ernest had an epiphany and thought it would be nice to mount one with a steam engine. The first steam-powered motorcycle was born. A Michaux-Perreaux steam ...

Unlike earlier acclaimed efforts, such as Sylvester Roper's steam-powered "motorcycle" of approximately 1867, this machine was powered by an engine as we'd more or less understand an ICE today.

A small steam engine was attached to a velocipede – it was the first motorcycle. (via Wikimedia Commons) (via John Burke/Flickr) The colorful steam trucks and tractors were common in the first ...