In the midst of all the well-deserved praise given to decades of Harley-Davidson V-Twin engines, it can be easy to forget the many single-cylinder motorcycles that helped put Harley-Davidson on the map.
The very first Harley-Davidson motorcycle (on display in the Juneau Avenue main lobby) was a single-cylinder motorcycle with an atmospheric valve control and a leather belt drive. Single-cylinder motorcycles were the only motorcycles H-D produced until 1909 when the V-twin motorcycles hit the market.
Single-cylinder motorcycles were produced in the “F-head” engine platform until 1918. They reappeared in the 1926 “A” and “B” series motorcycles, giving rise to the Harley-Davidson “Flathead” configuration three years before the Harley-Davidson V-Twin Flathead motorcycles. The 1926 “B” series also debuted the overhead valve control 10 years before the famed overhead valve “Knucklehead” V-Twin motorcycle made its appearance… read more >
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