2021 Kawasaki KX 450

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2021 Kawasaki KX450 Engine With more Supercross and Motocross championships than any other manufacturer, the KX™ name is synonymous with winning. The KX™450 motorcycle represents the flagship of the KX lineup, built with the sole purpose of dominating the track. Over the past four decades, we've learned what it takes to win and stay on top. Our dedication to building the ultimate machine is undeniable, and the KX™450 represents this to the fullest The KX450 receives a few engine updates for 2021 in the form of a new coned disc-spring hydraulic clutch, larger-diameter clutch plates with a revised friction material, and a new dry film lubricant coating on the piston skirt.

POWER
Engine: 4-stroke single, DOHC, liquid-cooled
Displacement: 449cc
Bore x Stroke: 96.0 x 62.1mm
Compression Ratio: 12.5:1
Fuel System DFI® with 44mm Keihin throttle body
Ignition Digital CDI with 3 Coupler Options
Transmission: 5-speed, return shift, with wet multi-disc manual clutch and hydraulic clutch actuation
Final Drive: Chain
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