It only boasts 250cc of displacement, but this little Honda four-cylinder is a true screamer once you wind it out.

The scientific study of automotive aerodynamics was still practically in its infancy in 1955 when Enrico Nardi—yes, the steering wheel guy—rolled the ridiculous monster pictured above onto the ...

Triumph is popular for the classic-vibing Bonnevilles, the go-anywhere Tiger family, and the hooliganistic Speed and Street Triple roadsters. Three-cylinder engines are the brand's forte and this ...

You might notice that the engine showcased in the patent filing images is incomplete, as our CycleWorld friends point out.

Oil is an essential part of any combustion engine -- including motorcycles -- and it needs to be changed out regularly to keep everything running smoothly. But there are so many types of oil to ...

There is this phrase Americans love that says there's no replacement for displacement. For one reason or another, the country came to the conclusion that the bigger the engines used in their cars ...