Page 3 of Sportbikes by Honda Motors

03 sportbikes honda s latest exclusive unit pro-link® rear suspension the upper shock mount is contained within the swingarm itself rather than being attached to the frame with no top-frame mount the rear suspension doesn t upset the chassis how does it perform ask world champion valentino rossi who s used his rc211v to positively wax the best talent the motogp world can bring to the start line another part directly inspired by the rc211v is the cbr600rr s new aluminum swingarm bottom line the new honda cbr600rr is without a doubt and without a challenge the highest-performing most track-ready middleweight sportbike we ve ever produced cbr600rr truly better in every way than the machines that already have won so many championships and have come to define it s the day that sportbike riders have dreamed of the day motogp technology comes to the 600 class and the result it s better than anyone ever dared hope cbr600rr never ever have the performance and design concepts of one of our true grand prix racebikes crossed over to one of our street-legal machines in such a short time of course the bikes we re talking about are honda s world-beating rc211v five-cylinder motogp champion and the all-new honda cbr ®600rr the new performance and technology leader in the 600 class just a simple look will show you exactly how serious this new bike is designed to dominate at the track it s truly new from the ground up let s start with the engine it s shorter top to bottom and front to back compared to our own compact cbr600f4i even though it displaces an identical 599cc that gives it greater mass centralization hard to see but one of the keys to superior performance the new dual stage fuel injection dsfi features two injectors per cylinder one upper and one lower the lower injector downstream from the throttle body enhances ridability at low engine speeds while the upper injector located in the airbox improves top end together working with the 40mm throttle bodies they help the cbr600rr deliver optimum power performance and response at every engine speed and throttle opening the cbr600rr s cylinder head uses a two-spring-per-valve design again designed to deliver high performance at high rpm the redline is a stratospheric 15,000 rpm and the powerband is wider and features more overrev shim-under-bucket valve adjustment reduces valvetrain weight and maintains that performance when the valves are opening and closing 125 times per second and the rr gets lighter pistons piston pins and connecting rods one of the new cbr600rr s most revolutionary concepts has to be its chassis and especially its suspension up front a stout 45mm cartridge fork is fully adjustable for compression and rebound damping and spring preload but at the rear things get really interesting like our rc211v the new cbr600rr features a new center-up exhaust and uses what the 600 class should be will there be one in your future there can be if you move fast the unit pro-link rear suspension is patterned right off our worldchampionship-winning rc211v motogp bike with no top-shock mount on the frame to influence handling on bumpy roads for power and response the dual stage fuel injection features two injectors per cylinder one above each velocity stack and one in each throttle body.

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