Harley-Davidson's Milwaukee-Eight engine has two spark plugs per cylinder. It's all about boosting performance, efficiency, and emissions, while reducing heat.

With a massive V-twin engine, plush suspension, and top-of-the-line features, this new Harley touring bike has it all ...

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 ...

Harley-Davidson motorcycles are iconic, but they're also priced to match. Thankfully, there's more than one cheap motorcycle ...

Harley-Davidson was founded over 120 years ago and has been manufacturing motorcycles in America since 1903. The company's first motorcycle, the Model 1, was designed in 1901 and produced until 1904.

Harley Davidson Sportster S makes similiar power to Kawasaki Z900, Yamaha MT09, Triumph Street Triple R. Tap for review.

Last week Harley-Davidson let loose its first salvo in the motorcycle war of this year, hoping for the best. Although there are practically no new models to enter the market yet, and that may be ...

Few sounds in the motorcycle world are as iconic as the specific rumble of a big V-twin Harley-Davidson, but what about their engines makes such a unique sound?

Offering a balance of comfort, affordability, and ease of handling, the Nightster is the perfect entry point into the world ...