At the heart of every great Harley-Davidson motorcycle is the engine -- here we've got 10 of the greatest of all time.

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 ...

Crate engines are a lifeline for street-performance two-wheelers and four-wheelers. When Harley-Davidson introduced the Screamin' Eagle 135ci Stage IV Performance Crate Engine in 2023, it wasn't just ...

The new Nightster is leaner and much meaner than old models, with a new engine, clean-sheet design and a focus on performance. The Harley-Davidson Sportster motorcycle first joined the lineup way back ...

Since the introduction of Harley’s Hardwire Strategy, the American motorcycle manufacturer has been in the fast lane to cater to new-gen riders – and while the results (the electrified LiveWire One ...

Throughout the history of motorized vehicles, a number of engines have become famous for being the best of their generation. Even motorcyclists have heard of a Chevy 427 small block V8, the engine of ...

It’s riding atop a less-noisy engine that still carries a wickedly fast acceleration. Sometimes, it’s amazing what they pay me to do in this job. Case in point: I got to ride a new Harley-Davidson ...