Kawasaki Ninja 600 ? check this out 2011 Kawasaki Ninja ZX-6R

Kawasaki ninja 600 is one of the best middle class from kawasaki motorcycles, Kawasaki ninja 600 motor bike used 600cc of engine displacement and also named "Kawasaki ninja series", it's mean it's the sport series from Kawasaki, today, when I try to find more information about Kawasaki ninja 600, I can't find it, but there is available 2011 Kawasaki ninja ZX-6R, it's same with ninja 600 series,