The 45-degree V-twin configuration of a Harley-Davidson engine and when each piston fires are part of why the iconic American motorcycles sound the way they do.

Anyone who collects stuff is probably familiar with the urge to find tiny versions of big things. Even better is when the tiny version is functional. That's what makes this minuscule 9cc ...

Black-and-white Harley-Davidson Milwaukee-Eight logo on engine housing - Felix Geringswald/Shutterstock There are certain sounds in motoring that are as iconic as the ...

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 ...