Harley-Davidson's Twin Cam engine powered much of its lineup in the early 21st Century, but had some common major problems that didn't please owners.

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

<a href=http://webbikeworld.com/new-milwaukee-eight-harley-davidson-engine-vs-old-twin-cam/><img src=https://www.webbikeworld.com/wp-content/uploads/2023/02/Harley ...

Harley-Davidson Inc. on Tuesday introduced an all-new engine, the Milwaukee-Eight, named for the city where the company was born. Harley says it’s only the eighth time in the company’s 113-year ...