Harley-Davidson's Evolution and Revolution engines are both powerful Big Twin engines, but there's a lot that separates the ...

The V-twin is a core element of the Harley-Davidson story. Here's the history behind Harley's most important V-twin engines ...

Harley-Davidson introduced the Panhead V-Twin in the fall of 1947 as a replacement for the Knucklehead engine for the upcoming 1948 model year. It would go on to power a number of iconic ...

Close up of engine cover on a Harley-Davidson Milwaukee-Eight engine - Felix Geringswald/Shutterstock Harley-Davidson has a long history of powering its motorcycles ...

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 ...

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 ...

The Harley-Davidson 103 engine is often described by riders as being faster than earlier Twin Cam versions like the 88 or 96, along with having more features like ABS and an oil cooler. That said, ...

Coming from a big Italian family, Anthony relishes in being the black sheep as the only adrenaline junkie. Even though he has gone bungee-jumping, rock-climbing, cliff diving, fought in mixed martial ...

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 2026 Harley-Davidson Touring models mark an exciting evolution of the Grand American Touring platform. With the new ...

Last week American bike maker Harley-Davidson announced its first batch of 2025 motorcycles. Among them, no less than six cruiser models. Granted, all of them are returning for the new model year, and ...