Rikuo Motorcycle of the Harley-Davidson, started production in 1929. In 1931 Dabittoson Harley Motorcycle Co., Ltd. was established in Japan. Dabittoson started domestic production of the Harley-Davidson Road King Motorcycle. The 4-cycle, 1200 cc, side-valve V-twin engine produces 28 horsepower for a top speed of 97 km per hour. The Road King motorcycle was improved and produced by Lin Ritsukawa, and Tsui Meguro under the Tokyu Kogyo Kurogane Company during World War II. This included the Type 97 military motorcycle which was often produced with a sidecar, called they Harley-Davidson, through the efforts of Alfred Rich Child, shipped tooling and personnel to
Curtiss V-8 motorcycle Curtiss V-8 motorcycle The Curtiss V-8 motorcycle was a V8 engine-powered motorcycle designed and built by aviation and motorcycling pioneer Glenn Curtiss that set an unofficial land speed record of on January 24, 1907. The air-cooled F-head engine was developed for use in dirigibles. The forty horsepower engine was the two carburetor version of the Curtiss Model B-8 aircraft powerplant, one of thirteen engines listed in the May 1908 "Aerial and Cycle Motors" catalog. The engine weighed and was offered for US$1,200 but it did not sell, in spite of the engine's notoriety from the speed record. An eight carburetor