The CBR600RR was developed from and inspired by the Honda RC211VMotoGP bike. The similar physical appearance of the CBR600RR and RC211V was intentional. Underneath the bike was MotoGP technologies that were made available for the first time on a production motorcycle, such as the Unit Pro-Link rear suspension and Dual Stage Fuel Injection (PGM-DSFI). Both were taken directly from Honda's MotoGP bike. The RR, or race replica, suffix was added to emphasize racing characteristics such as an advanced braced swingarm, center-up exhaust system, and more aggressive riding position. The 2003 model carried over to 2004 technically unchanged, with the only addition of an oxygen sensor and new color schemes.
In 2005, the CBR600RR received a major revision with new bodywork, fully adjustable inverted front forks, race-inspired disc brakes with radial-mounted four-piston calipers, and an entirely new aluminum frame, swingarm and rear shock. The midrange power was also increased. These changes along with additional refinements to the engine and exhaust system all came together to bring CBR600RR's wet weight down by , and dry weight by <ref... Read More