The Yamaha TDM is a dual-sport motorcycle produced by the Yamaha Motor Company. It is powered by a liquid-cooled, DOHC, 8-valve four-stroke engine and is available in two versions: 900 and 900A (A is for "Adventure"). The TDM features a five-speed transmission, long-travel suspension, and a tall upright riding position that makes it perfect for long-distance touring or light off-road excursions.