Do polished intake ports, special EFI mapping, and a Pro Circuit Ti-6 exhaust system make the KX450SR the most powerful Kawasaki four-stroke motocross bike ever?<br /><br />Check out full story here: https://www.dirtrider.com/tests/kawasaki-kx450sr-dyno-test-2023/<br /><br />Video By: Bert Beltran<br /><br />Read more from Dirt Rider: https://www.dirtrider.com/
