Harley Davidson First V Twin Engine 1909 - 1911

One historic H-D add present the "Double Cylinder" bike with an earlier engine which made by cloning the 1905 single cylinder into a V form however the early commercial V- Twin motorcycles 1909 - 1911 which where produced in a very limit numbers fitted with the following engine which show some improvement over the prototype and earlier singles with different cylinders casting around the exhaust outlets, this engine meets the term F-Head or IOE valves arrangement as describe later on however its auto intake valves function was limited and will be changed very soon into the known cam / pushrods drive, its a 50 ci. engine producing 7 HP and equipped with a Schebler Carburetor and early DA series Bosch magneto...

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