Athena has rolled out a complete line of cylinder kits for the Yamaha YZ 125 (22–26) and YZ X 125 (23–26), with three options including the 144cc big bore kit – shush, don’t tell the scrutineers. With ...

From Bugatti’s W16 to Saab’s variable compression, these engines redefined performance with brilliant, complex, and sometimes disastrous results.

Even at a brief glance, the Subaru Crosstrek clearly prioritizes rugged design and personality over any semblance of aerodynamic efficiency. Subaru’s best-seller also comes only in all-wheel drive, to ...

One of the unique parts about riding an electric motorcycle is the lack of theatrics, as there is very little in the way of noise and vibration. But not every motorcyclist is down with silently ...

New images have surfaced showing an inline six-cylinder engine from Benda that could power a new premium touring bike.

There once was an 18-cyclinder 2-stroke triangle engine that delivered a whopping 2,000 horsepower, but it didn't power a car. Here's what you need to know.

Talk about thinking outside the box when it comes to finding ways to solve the problem with electric vehicles and limited driving range.

Available now worldwide, the new 32.1-liter, 12-cylinder engine features design improvements to boost power density and reliability while extending the time between rebuilds when compared with the ...

Mazda is no stranger to baffling car experts with an out-of-the-box engine design, and its latest patent continues this trend.

Expensive repairs? Find a warranty to cover future costs. Expensive repairs? Find a warranty to cover future costs. Engine repairs aren’t cheap, but there is good news: You may not need an entirely ...