20-Years-Owned KX250-Powered Kawasaki KX450F

The Kawasaki KX is sold for $3,800 on Bring a Trailer. See Friday's Watchlist AI fair value, deal score, hammer-price prediction, and bidding intelligence for this Kawasaki KXauction.

This unique Kawasaki KX450F stands out as a remarkable build, having been substantially assembled by the seller during his tenure at Kawasaki Motors Corporation around 2006-2007. Powered by a KX250-sourced liquid-cooled 249cc two-stroke single, this bike features an impressive array of modifications including a ported works cylinder, a modified Keihin carburetor, and an FMF expansion-chamber exhaust system. The five-speed transmission ensures a thrilling ride, while the custom aluminum frame and modified suspension enhance its performance. With its striking green and white bodywork and a host of high-quality components like Excel alloy rims and a GPR steering stabilizer, this KX450F is not just a bike; it's a collector's piece for enthusiasts who appreciate the blend of factory racing pedigree and custom craftsmanship. Ideal for those looking to own a piece of Kawasaki history or for riders seeking a modified machine that stands out on the trails or at the track.

• Make: Kawasaki
• Model: KX
• Exterior color: green and white bodywork

Seller's description via Bring a Trailer: This Kawasaki KX450F was substantially assembled by the seller out of parts, reportedly when he worked at Kawasaki Motors Corporation circa 2006-2007. The bike is powered by a KX250-sourced liquid-cooled 249cc two-stroke single with a works cylinder ported by Kawasaki Racing, a modified Keihin carbu