Developed from the highest levels of racing this championship bike has advanced technology sourced straight from the world? s premier race team? another reason why the KX450F is the Bike That Builds Champions. Motorcycles Motocross DX22822766467226190148358 DX1 . 2016 Kawasaki KX? ?450F the KAWASAKI DIFFERENCE This Is Our Proof the new KX? ?450F motorcycle is more powerful lighter and more agile than ever before...