Yamaha R1

The Yamaha R1 series first began in 1987 with the FZR1000, Yamaha introduced several motorcycle engineering firsts including the boxed aluminum "DeltaBox" frame, advanced intake and exhausts technologies including a 5 valve-per-cylinder head and an exhaust EXUP power-valve. The engines usable power output was dramatically improved throughout the entire RPM range and featured one of the flattest power curves ever seen on a motorcycle. The aluminum Deltabox frame was very light and rigid when compared to steel and both handling and braking were vastly improved over the old-style steel cradle frames. These numerous advances made the FZR1000 a veritable "tour de force" and it was voted "bike of the decade" by many who found it to be quite capable both on and off the track.

For the next four years Yamaha enjoyed significant sales and racing success, however in 1992 Honda introduced the CBR900RR Fireblade which was essentially a marriage of the chassis used for their 600cc motorcycles with an over-bored 750cc engine. Even though the Fireblades weren't as powerful as the FZR1000, it was lighter and shorter which resulted in much quicker handling. It took Yamaha four years to realize the significant weight and power changes that were introduced in the short-lived YZF1000R "ThunderAce". Still, the YZF1000R was based on the original Genesis engine which was canted forward sharply causing the wheelbase to be longer than the Fireblades

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