TOKYO, Japan, October 19, 2005 - At the 39th Tokyo Motor Show 2005, Honda Motor Co., Ltd. today introduced a large-size sports motorcycle concept model, DN-01*, equipped with a continuously variable automatic transmission and a water-cooled, 4-stroke, OHC, V-type, 2-cylinder, 680cc engine. Honda will continue the development of DN-01 with the goal of introducing it to the market in the near future.