The Kawasaki ZX-6R Ninja was the first middleweight to offer engine, chassis and aerodynamic performance levels to rival those of larger-displacement models. Ever since, Kawasaki ZX-6R Ninja supersport models have featured high-performance engine, chassis and aerodynamic technology previously reserved for larger bikes. Following its prime design aim to be No. 1 on the circuit, the Kawasaki ZX-6RR Ninja benefits from a host of modifications to engine, chassis and styling that put it even further ahead of its competition. Unlike its street counterpart, the ZX-6R Ninja, the ZX-6RR is a limited-production model designed to be the "fastest machine in its class on the circuit".

Note - On this page the following equivalences are valid:

ZX-6R (ZX6R, ZX 6R, ZX-6 R, ZX6 R, ZX 6 R, 600, ZX6R600,, 636, ZX6R636)
ZX-6RR (ZX6RR, ZX 6RR, ZX-6 RR, ZX6 RR, ZX 6 RR, 600)