Harley-Davidson's reputation for extremely powerful motorcycles has grown steadily with each new model release. Revealingly, the "hog" moniker started as a nickname dubbed by journalists reporting on ...

Harley-Davison motorcycles are known for their use of big V-twin engines. The company's proprietary engine design has come a long way since the introduction of the first 49.5 cubic-inch version in ...

The Harley-Davidson 117 engine (also known as the Milwaukee-Eight 117) is a big and powerful V-Twin. Harley squeezes it into the frames of some of its biggest and most expensive bikes. Why call it the ...

Harley-Davidson unveiled its first new motorcycle engine in over 15 years, a completely new, single cam engine to replace the Twin Cam engine that debuted in 1999. It was time for an update.

Imagine a Harley-Davidson motorcycle with an engine smaller than the Honda Minimotos of today. Sounds silly, right? Well, the ...

Harley-Davidson's Big Twin is the heart and soul of America's most famous touring bikes. As Cycle World put it: "If ever an engine inspired religious fervor, this is it." This fall the icon gets an ...

Promising more power, more comfort and more control, Harley-Davidson has unveiled a new engine called Milwaukee Eight, plus improvements in its motorcycles’ suspension systems. But don’t worry. The ...

Harley-Davidson motorcycles have always been defined by their engines. Owners and loyalists know the names and nicknames for each successive powerplant version. A new engine represents the start of a ...