Rumors Begin About a Four-Cylinder Kawasaki Ninja ZX-4R - Asphalt & Rubber
Kawasaki ZXR 400 Engine | I've managed to score some me time… | Flickr
1990 Kawasaki ZX-R 400
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
Kawasaki ZXR 400 specs, performance data - FastestLaps.com