The 'Kawasaki KX 250F' is a liquid-cooled DOHC 249
cc four-valve
four-stroke motocross
motorcycle made by
Japanese motor company,
Kawasaki. The new redesign KX250F is lighter, faster and has more power than ever before.
See also
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Kawasaki motorcycles
The Kawasaki KX250F was co-developed with the Suzuki Motor Co. under their unique joint venture that started in 2002. This joint venture produced the Suzuki RMZ250 which is the mechanical twin to the KX250F but is in yellow Suzuki markings. The first year of the KX250F was 2004 and it saw immediate success in Supercross and Motocross racing capturing the Triple-Crown of Motocross ( the East/West SX championships as well as the national MX title). However, the bike had some first year issues such as cooling and ignition problems. The 2005 version rectified these problems. Yet the engine on the KX250F pulls through the whole RPM range and never lets go, not even up top.
For the 2006 model year, Kawasaki took its own separate route in 250F development by releasing an all new bike that had no ties with Suzuki. The 2006 model features an all new aluminum perimeter frame, a heavily revised engine, new Showa front and rear suspensions, and Renthal handlebars to name a few key improvements. The new KX is very competitive with the competition, ranking highly in motocross magazine shootouts as well as in competition.