Massive 110mm bores and a 240 section rear tire reveal a motorcycle built to harness monumental torque and presence.

This sub-1200cc American engine has over 180 horsepower and 100 pound-feet of torque, beating Harley and Indian bikes by a ...

Think of a Harley-Davidson powerplant, and chances are that some iteration of the company's big V-twin engines will come to mind. Indeed, given Harley's long association with the format, it's ...

For more than a century, Harley-Davidson has built its motorcycles around a few engines, none more defining than the V-twin, as this engine layout is a big part of why Harleys have such a distinct ...

Having unbalanced V-twin engines bolted directly to their steel frames is one reason Harley-Davidsons vibrate so much. To alleviate the vibrations, Harley-Davidson began using rubber-mounted engines ...

Once treated as a beginner engine, this Harley V-twin gained a loyal following just as its simple old-school formula ...

The Evolution Big Twin-engined motorcycles like Fat Boys and Road Kings spent 18 years using a single four-lobed camshaft, while the Sportster's Evolution motor — and its ancestors like the K-model ...

In 1936, Harley-Davidson bet its future on an engine nobody had asked for. The country was still climbing out of the worst motorcycle sales slump in American history, and the company’s big twins were ...

Harley-Davidson has a long history of powering its motorcycles with "Big Twin" engines. So much so that the company's Milwaukee-Eight engine represented the ninth generation of these iconic ...

The Evolution 1340's versatile nature and all-American attitude made numerous Harleys collectable in their own right, including the Fat Boy and FXR.

Harley-Davidson has been synonymous with cruiser motorcycles and V-twin engines for over 100 years. How much horsepower did the company's first model have?