2024 Kawasaki Ninja® ZX™-4RR ABS The Ninja® ZX™-4R ABS mounts a 399cc in-line four-cylinder engine with class-leading performance in a compact chassis with proportions similar to smaller displacement models. On the track or on the street, experience the exhilaration of the Ninja ZX-4R ABS supersport's unprecedented power, intoxicating high-rpm wai...