The Harley-Davidson 117 engine (also known as the Milwaukee-Eight 117) is a big and powerful V-Twin. Harley squeezes it into the frames of some of its biggest and most expensive bikes. Why call it the ...

It's no secret that Harley-Davidson is one of America's best and most iconic motorcycle engine manufacturers. With a layered history that dates back to 1903, the company has proven itself time and ...

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 ...