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Kawasaki Ultra 250X



Kawasaki Ultra 250X

Year 2007
Engine 1498 cc, inline 4 cylinder
Horsepower 250 hp @ 7,750
Transmission forward, neutral, reverse
Weight 410 kg / 903.8 lbs
Personnel Capacity maximum of 3


The Kawasaki Ultra 250X is powered by a 250 horsepower 1.5 litre inline four cylinder engine derived from the Kawasaki STX-15F jet ski. The Kawasaki Ultra 250X produces power comparable to a normally aspirated high-performance three-litre engine, thanks to the addition of a Roots-type supercharger. Unlike centrifugal superchargers or turbochargers, the Ultra 250X’s high-volume direct-drive supercharger delivers boost virtually instantly at any engine speed from idle to redline.

In recognition of the tremendous power on tap, Kawasaki designed the Ultra 250X’s hull to lean into corners like a motorcycle. This helps passengers stay centered, and keeps the rider in control during peak cornering g-forces.








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