Harley Davidson 1903 - 1904

From the wooden shed at 38ts street and Highland Avenue built by the carpenter William C. Davidson,( father of the Davidson brothers) came out this prototype motorcycle with 25 ci. (405 cc) 3 HP engine which proved to have adequate performance and reliability with self operated intake valve and cam driven exhaust valve, electric battery and coil, its already equipped with a compression relief handle to ease the start and leather belt as final drive, from this bike H-D developed there first commercial product around 1905...

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