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 ...

One Harley-Davidson engine earned a reputation for six-digit durability, and it wasn't the newest or most powerful ...

Harley-Davidson is one of the most famous and beloved brands on the planet. A dedicated fandom has been buying motorcycles from the Milwaukee-based manufacturer since its inception in 1903. Nearly as ...

Think the Harley-Davidson Milwaukee-Eight is the king of the road? Discover the four incredibly powerful V-twin engines that ...

TJ started writing for TopSpeed in 2015, but has been writing on motorcycle and automotive topics since 2009 for outlets such as eHow, eHowNow, and MotorTrend subsidiaries. He is certified to work on ...

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 ...

One aspect of covering automotive engineering is the periodic opportunity to tour carmakers’ factories. Do this enough times and it is easy to forget that most people haven’t seen the inside of a ...

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 ...