Motorcycle engines live and die by how well they shed heat, and the choice between liquid and air cooling shapes everything ...

An engine number is a special alphanumeric code that is imprinted on a motorcycle engine, and its primary use is as a unique identifier for the engine. Manufacturers differ on what is included, but ...

The Chinese brand Lifan has flown under the radar compared to leading motorcycle manufacturers. Here's everything you need to know about their engines.

This article was originally published on Motorcyclist. Your owner’s manual likely recommends a 600-, 1,000-, or even a 1,500-mile break-in process where you limit throttle angle and revs, and ...

Harry has been writing and talking about motorcycles for 15 years, although he's been riding them for 45 years! After a long career in music, he turned his hand to writing and television work, ...

With a Master's degree in English Literature and six years of writing experience, Aayush has been contributing to TopSpeed for over two years. Since 95% of his personality is motorcycles, he goes ...

These are the 4 worst Harley engines: the overheating AMF Shovelhead, vibrating Late Ironhead, the worst -- Twin Cam 88, and the recalled Revolution X.

Many motorcycle engines might rely on liquid or air cooling. These different styles both have some pros and cons depending on ...