They’re the most powerful, coolest-running motors we’ve ever built. Smooth, strong and durable. Developed and proven over countless miles and millions of hours. Every single part is new, engineered to give you more performance and more of the feeling you want from an engine.
Their iconic look, distinctive sound and massive torque make them instantly recognizable, but the Milwaukee-Eight® 107 and Milwaukee-Eight® 114 engines take the Harley-Davidson® V-Twin to a place it’s never been. They’re the most powerful, coolest-running motors we’ve ever built. Smoother, stronger and more durable. With crisper throttle response and truer, cleaner sound.