Harley and Arthur Davidson build the first production Harley-Davidson Motorcycles in 1903. This article provides information about Harley-Davidson Motorcycles History. The Motor Company produces traditional cruiser motorcycles utilizing air-cooled V-Twin engines. It features a 3-1/8-inch bore and a 3-1/2-inch stroke yielding 7.07 cubic inches (116cc). They make a more powerful motor with the assistance of Ole Evinrude – better known as the inventor of the outboard motor.