Aiming for the podium is one of the greatest thrills in off-road riding, but the true joy goes beyond competition. It lives in the challenge of conquering technical terrain, navigating through wooded ...

We've seen many engine configurations come and go, with some being more noteworthy than others and some being just outrageous. Honda attempted to modify the shapes of the pistons used in its engine, ...

Gasoline engines usually run on the Otto cycle, the standard four-stroke and two-stroke combustion process that has been powering humanity for a while now. Although engines typically rely on the "suck ...

The best Cummins diesel engines are the result of decades of innovation, which all began with founder Clessie Cummins. They also have a history of racing at the Indianapolis 500. In 1934, Cummins ...

A familiar sound rang off through the hills and dales of Washougal MX Park in Washougal, Washington as the field was invaded with the buzz of 2-stroke engines. A race within the Washougal Nationals ...

Kawasaki has unveiled the KX327 and KX327X, powered by a new fuel-injected 327cc 2-stroke engine. Tap for more details.

It's important to keep in mind that the combustion process occurs in a very brief period of time. Due to a variety of conditions that include mixture density, homogeneity, temperature, fuel ...