Stripped to its essence, motocross requires a racebike to do three key things: Run, Turn and Stop-all better than the rest. Now in its 14th model year, the 2018 RM-Z450 is fully redesigned with a laser focus on achieving this winning balance. Fortunately, the RM-Z450 already has a heritage of 26 world and national championships to build on, including five AMA 450 motocross and two AMA 450 supercross titles. To this winning history now comes fully re-engineered engine, chassis and electronics, plus dramatic newstyling .The Result ? The most potent ,balanced and competitive RM-Z450 yet.