1998: The very first YZF1000 R1.
2000: New titanium silencer, revised gearbox, modified carb, magnesium engine case covers, new bodywork and fuel tank, lighter chassis components, new suspension settings.
2002: Fuel injection now fitted along with catalytic converter and uprated ECU for more power. Revised frame and suspension and cosmetics.
2004: Full make-over for the Yamaha R1; new engine internals, underseat exhaust, sharper styled bodywork, more power, frame and suspension mods (longer swingarm in 2006).
2007: Launch of all-new Yamaha R1.