2000: Kawasaki ZX-12R launched.
2002: Kawasaki ZX-12R updated with new bodywork, ram air intakes, gearbox tweaks, engine retuned for snappier acceleration, crankshaft strengthened. Bike NOT available in typically Kawasaki green paint.
2003: Black and gold and green paint schemes introduced for Kawasaki ZX-12R.
2004: Radial brake callipers fitted to Kawasaki ZX-12R, more fuel injection tweaks to boost throttle response.
2005: No major changes to Kawasaki ZX-12R, all black paint option.
2006: No major changes. Kawasaki ZX-12R discontinued.