Kawasaki race machines have the most AMA Supercross and Motocross titles – the 2021 model KX250 builds on the engine changes from the previous year to deliver even greater power and an even higher rev limit, plus electric start and a hydraulic clutch. A new frame based on that of the KX450 contributes to improved handling that enables even quicker lap times, making the KX250 even more potent on the track.