The 1900-1920s Harley-Davidson Motorcycles Channel features some of the earliest models around. Check out vintage Harleys at HowStuffWorks.
1916 Harley-Davidson J
The 1916 Harley-Davidson J motorcycle was a leap forward in style with a longer lower appearance. Other than the kickstarter, however, there were few mechanical changes of note for this year. See pictures and learn about the 1916 Harley J.