2012 Kawasaki Ninja 250R, 2012 Kawasaki Ninja® 250R #1 Selling Sportbike in the U.S. Offers Superior 250 Performance With its smooth power delivery, low seat height, and excellent value, the Ninja® 250 has all the vital elements to make it the perfect first sportbike. Powered by a compact liquid-cooled twin-cylinder engine, this Ninja sportbike pleases both ends of the experience spectrum seasoned riders appreciate the Ninja s extra highway passing power compared to other bikes in the 250 class, while beginners love the smooth torque delivery at lower speeds. With superior highway performance, aggressive supersport bodywork, and a price tag that packs serious value, the Ninja 250 is a perfect way to get started in a lifetime of motorcycling fun.