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
Tempo (motorcycle manufacturer) motorized "The World" started in 1931 continuing to 1934. Øglænd also sold Ner-A-Car motorcycles in the 1920s. Engine kits for bicycles was also sold, but no complete motorcycle of in-house manufacture until 1931 The first motorcycle to carry the Tempo brand was the Sachs 98cc engined Standard, made from 1934-39. In 1936 the models Sport and Luxus, and the 3 wheeled Transport joined the program, and in 1937 the Villiers, initially sporting a 98cc Villiers 9D engine. The first Tempo moped ever manufactured was the bicycle-like 1951 Tempo Handy. It looked like a bicycle, but where the pedals normally would