The Honda CBR900RR, or FireBlade in some countries, is a sport bike, part of the CBR series introduced in 1992 by Honda. It was the first of a series of large-displacement Honda models to carry the RR suffix. The development of the first generation CBR900RR was led by Tadao Baba. History CBR900RR (893cc) SC28 The first generation CBR900RR was introduced in 1992 with an inline-four engine. It set a precedent for lightweight in the superbike class, being much lighter than other large-displacement bikes of the time. The CBR900RR was based on an advanced research stage model known within Honda as the "CBR750RR". With the objective of equaling the acceleration of competitors’ flagship sport bikes, Honda increased the stroke of its inline 4-cylinder 750 cc engine and thus raised displacement to 893cc. Complementing its power performance was the bike's dry weight of just 185 kg, wheelbase of 1,405 mm, and a body almost identical to that of the advanced research stage model. At wet weight, it was by just heavier than the CBR600F2, while the next-lightest over-750cc machine, the Yamaha FZR1000, was heavier by . Changes for the 1994 model comprise a new shift-drum to improve notchy gear shifts. The second-generation CBR900RR, which debuted in 1995, incorporated changes in damping rates and spring rates. The front fork was upgraded with a compression adjuster. The upper cowl stay went from steel to aluminum, and the cylinder head cover went from aluminum to magnesium. The styling of the bike also became more aggressive: The independent dual lights became irregular-shaped multi-reflector lights known as "fox eyes" set further back and covered to improve aerodynamics, and the bike had fewer of the RR's unique fairing "speed" holes. The footpegs were firmer and slimmer like that of the RC45 and the reversed pedal on the original was replaced with a shift linkage. Instead of measuring speed from the front wheel, the speed is measured from the countershaft sprocket with an electronic speedometer. CBR900RR (919cc) SC33 1996 brought major changes to the CBR900RR with the third generation CBR900RR. To optimize rigidity Honda revised the suspension and chassis. Larger thinner-walled extrusions for more torsional rigidity were used in the swingarm and frame, revised shock and fork internals, and raised swingarm pivot. The handlebars were raised by and swept back by five degrees to improve the riding position. A 1 mm (0.04 in) bore increase raised the engine displacement