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
Buell Motorcycle Company a limited series of 50 XBRR (, ) racing-only machines for factory-backed and privateer racing teams. The XBRR frame was a XB1/XB2 hybrid, the suspension came from Swedish manufacturer Öhlins, and the wheels were made of magnesium. It was the first model using the ZTL2 eight-piston caliper by Nissin. In 2009, Buell announced production of the 1125RR, also a race-only motorcycle. The bike was internally called the B2, aimed for the supersport market. Built from the 1125R, the 1125RR changes include a titanium exhaust, magnesium wheels, full fairings and a chain drive. On September 9, 2009, Buell won its first