The Japanese motorcycle manufacturer Kawasaki recently introduced what it calls the most powerful closed-course production motorcycle ever created, the Kawasaki Ninja H2R. The new bike takes its name from the 1971 Kawasaki 750SS Mach IV, more commonly known as the H2, which by many accounts was the fastest motorcycle of its day. Continuing this tradition, the H2R will be equipped with an approximately 300 hp inline 4-cylinder supercharged engine, the most powerful on the market.
The H2R engine is a 998 cc inline-4, four-valve, dual overhead cam design with a two-speed, centrifigual supercharger claimed by Kawasaki to develop 300 horsepower (220 kW). The supercharger is driven by a series of gears and shafts connecting the flywheel to a planetary drive, finally spinning a dog-shifted two-speed shaft attached to the impeller.Rider control is throttle by wire.
It is the first production motorcycle with a supercharger,although turbochargers were available on some models in the early 1980s.
A centrifugal supercharger has the advantage of generating less heat than other designs, especially scroll-type or screw-type superchargers. Excess heat in the intake charge can cause pre-ignition that will destroy the engine
.
The front fairing of the Ninja H2R features said to look like wings, made of carbon fiber like the rest of the bodywork. They may be aerodynamic devices designed to create a low-pressure zone to help move cooling air through the engine bay, or to produce downforce at high speed, or to provide straight-line stability in a short-wheelbase sportbike chassis.
The H2R engine is a 998 cc inline-4, four-valve, dual overhead cam design with a two-speed, centrifigual supercharger claimed by Kawasaki to develop 300 horsepower (220 kW). The supercharger is driven by a series of gears and shafts connecting the flywheel to a planetary drive, finally spinning a dog-shifted two-speed shaft attached to the impeller.Rider control is throttle by wire.
It is the first production motorcycle with a supercharger,although turbochargers were available on some models in the early 1980s.
A centrifugal supercharger has the advantage of generating less heat than other designs, especially scroll-type or screw-type superchargers. Excess heat in the intake charge can cause pre-ignition that will destroy the engine
.
The front fairing of the Ninja H2R features said to look like wings, made of carbon fiber like the rest of the bodywork. They may be aerodynamic devices designed to create a low-pressure zone to help move cooling air through the engine bay, or to produce downforce at high speed, or to provide straight-line stability in a short-wheelbase sportbike chassis.
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