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Suzuki has redesigned its race-bred QuadSport Z400 for 2009 with several features from its big brother, the QuadRacer LT-R450.

Key among the new features is Suzuki’s fuel-injection system, which has a 36mm throttle body and a 12-hole injector.

Also new is the Engine Control Unit, equipped with a 16-bit CPU and a 96-kilobyte ROM unit. According to Suzuki, the system is programmed to offer improved traction, by selecting the optimum injection volume, injection timing and ignition timing based on throttle position, engine rpm and other data.

The Z400 also features new styling, including sharp fenders, overall slim design and removable headlight, all based off the R450.

More: 2009 Suzuki QuadSport Z400 Preview on
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