All new - Taking deposits now !So, what exactly was changed? Well, a lot was. The engine was redeveloped to provide additional power, and to compliment those changes, the chassis was redesigned to centralize the mass and reduce the weight. Oh, and Honda went back to spring forks for the 2017 450a change that many will love. D30702 Stock ho Frt/pdi $695 + doc $195 crf crf450 crf450r 450 450r mx dirtbike 2017 kxs kx450 kx450f fe fe450