In 1901, the 21 year-old William S. Harley had created the blueprint of an engine that was designed to fit in a conventional bicycle. Two years later, William together with his friend Arthur Davidson started and developed a one-cylinder engine that was installed on a conventional bicycle during that time. However, this motorized-bicycle was proved to be incapable of climbing through the Milwaukee hills without pedal assistance. Harley and Davidson developed further their motor after that experience.
Immediately, they have created a bigger engine (405 cc or 24.74 cubic inches) that was become the very first and real Harley-Davidson motorcycle. Meanwhile, the first Harley-Davidson factory was in a 10 x 15-foot wooden shed. The two friends were helped by Arthurs older brother Walter.
After a year, the Harley-Davidson motorcycle entered its very first motorcycle race at Milwaukee.
The first years came in so quickly for the company that after 3 years, Harley-Davidson motorcycle production was transferred at Chestnut Street (that was later become Juneau Avenue). This is still the Harley-Davidson headquarters up to this time.
In 1907, William received a...