Motorcycles SuperSport DX343670184224716470142566 DX1 . In a single 404-pound package the ZX-9R delivers awesome engine response precise handling modern-day versatility and open-class performance matched by no other open-class sportbike on the market. 2003 Kawasaki Ninja? ZX-9R NINJA? ZX-9R From the 1984 NINJA? 900R ? the world? s first production 16-valve liquid-cooled in-line four-cylinder motorcycle ? to the 2003 NINJA? ZX-9R sportbike Kawasaki is continually extending its performance heritage...