Few motorcycle companies have done more to promote the popularity of the V-twin engine than Harley-Davidson. And while we commend their efforts, it's important to remember that other motorcycles use V ...

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 ...

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 ...