engine proved complex and finicky, receiving mixed reviews for its cam chain tensioners, oil leaks, and crankshaft vibration issues. Harley kept working, introducing the Twin Cam 96 as the next ...

Harley's whole bag of techno tricks are ... The CVO Ultra is powered by a black and chrome Screamin' Eagle® Twin Cam 110™ engine and a 6-speed Cruise Drive® transmission, which is the largest ...

This list also includes the most powerful Harley-Davidson motorcycle today, a 150-horsepower adventure tourer.

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 ...