Harley engines are not particularly smooth. Sure, the modern Milwaukee-Eight engines have improved things, but they're still pretty vibey. And if you suspect unusually high levels of vibration, it's ...

The 1936 Harley-Davidson Knucklehead survived the Depression, set a Daytona speed record and created the sound every Harley V ...

There is something invigorating about the irregular firing of a big Harley-Davidson V-twin that gives each cold start of the bike a hair-raising excitement. After that initial jump, however, the bike ...