Putting a motorcycle engine in a car may sound like a completely crazy thing to do, but there have been a surprising number of times it has happened. The results come in a variety of shapes, sizes, ...

This highly modified Fiat 126 is the pinnacle of the philosophy "It's better to drive a slow car fast than a fast car slow." ...

There are many good BMW engines to choose from for an engine swap, but lest we forget: BMW builds motorcycles, too.

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