New contender for the 250cc crown has arrived. Kawasaki is proud to present the Ninja ZX-25R, an all-new 250cc super-sport model powered by the only In-Line Four engine in its class*. A shining example of the performance offered by Ninja ZX machines, this long-awaited model was created for discerning, sports-minded customers longing for a racy street machine with high circuit-riding potential.