Harley-Davidson introduced the Milwaukee-Eight in 2017. It provides great performance, but there are some reasons as to why ...

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

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 ...

Nowadays, the V-twin engine is ubiquitous in the motorcycle world. Powering everything from speedy sport bikes to massive touring machines — and even wedged sideways on some rides — the still-striking ...

There is something invigorating about the irregular firing of a big Harley-Davidson V-twin that gives each cold start of the bike a hair-raising excitement. After that initial jump, however, the bike ...

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

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

A tiny go kart powered by a 1200cc Harley Davidson V-twin engine, and riding on knobby tires just might be the perfect recipe ...

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?