“Suzuki claims the ultimate four-stroke weapon.” Uh, easy on the brochure-babble, guys. As the past tells us about the future, all modern motocross bikes are so close in performance, reliability and price that a statement like that could be made by every manufacturer. Now that four-strokes have become the standard for MX racing, everyone has been anxious to see Suzuki and Kawasaki build 450s to complete the class and make it official. Unlike the shared-design RM-Z250 and KX250F, however, the RM-Z450 was a solo project. When it came time to build 450s, the two companies ended the R&D alliance that saw them offer 250s that were identical in every way except color, and they'll stay apart for future competition models.
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