In the years since the Fat Boy hasn? t let up. 2017 Harley-Davidson Fat Boy? Fat Boy? Sometimes something comes along that changes everything. When Willie G. Davidson rode the Fat Boy? model into Bike Week the first time let? s just say it stopped traffic. Motorcycles Cruiser DX6909048598926855854 DX1 . the look was pure Harley yet totally new. From the chrome of the solid disc wheels to the muscular lines of the new High Output Twin Cam 103B? ? engine to the curve of its distinctive rear fender this machine is built to make an impact. the original fat custom icon matches unmistakable style with a High Output Twin Cam 103B? ? engine. No one had ever seen a factory custom motorcycle with this much visual impact before. Ride one and you? ll understand...