Rumors Begin About a Four-Cylinder Kawasaki Ninja ZX-4R - Asphalt & Rubber
1990 Kawasaki ZXR 400SP
Kawasaki KAWASAKI ZXR 400 Motoren - Ros Motoren
Kawasaki ZXR400 race project - DAY 8
RB Racing - A Kawasaki ZXR 400 Race engine about to come together. Omega pistons all weight matched, rods and crank balanced and blueprinted, ready for the first series of dummy assemblies