Kawasaki Ninja ZX6R :
Engine Type Four-stroke, liquid-cooled, DOHC, four valves per cylinder, inline-four Displacement 599 cc Bore x Stroke 67.0 x 42.5mm Compression Ratio 13.3:1 Fuel Injection DFI® with four 38mm Keihin throttle bodies, oval sub-throttles, two injectors per throttle body Ignition TCBI with digital advance Transmission 6-Speed