Gallery Kawasaki Z250 - Kawasaki Z250 will enliven the sport motorcycle market competition in the 250cc class. Kawasaki Z250 holding a the same as their siblings Kawasaki Ninja 250 FI the engine capacity of 250cc, Liquid-cooled Parallel Twin DOHC 8-Valve capable of producing 23.5 kW, at 11,000 rpm with a peak torque of 21.0 Nm at 10,000 rpm.