The Honda Winner is an underbone motorcycle from the Japanese manufacturer Honda. It was launched in April 2016 in Vietnam. It was also launched in May 2016 in Indonesia as the Supra GTR. In June 2016, the bike was launched in Malaysia as the RS150R. The engine, codenamed K56, is shared with the 2015 Sonic 150R, 2015 CB150R (StreetFire), and 2016 CBR150R. With the engine producing 12 kW, it makes the Winner as the fastest and most powerful 4-stroke underbone model ever offered by Honda, along with the Sonic.