1992–1993: Launched with a water-cooled inline-4 engine. The first model had the same body specifications as the 1992 GSX-R750, with the smaller engine and carried over through to the 1993 model year with no changes. It was not imported to UK.
1997–2000: Redesigned with the introduction of SRAD.
2001–2003: Redesigned with the introduction of fuel injection and carried over through to 2003 model year with very few changes.
2004–2005: Total redesign of the fairings and fuel tank, Inverted forks with radial-mounted brakes. Titanium valves and 32 bit ECU were some of the changes.
2006–2007: Underslung exhaust and slipper clutch introduced. Completely new engine, but with the same bore and stroke as before.