Fuel-injected perfection for demanding riders. The 2010 Kawasaki KX™450F provides an ideal platform for riders looking to win races. Its precise aluminum frame, premium suspension components, and expert-tuned settings are designed to deliver superb high-speed stability, enabling racers to capitalize on its amazing engine performance. Holeshot acceleration is delivered by a strong powerband and optimized chassis geometry specifically engineered to maximize rear wheel traction. Monster Energy® Kawasaki rider Ryan Villopoto used his new KX450F to win several AMA Supercross and Motocross races, during his first year on a 450.