The Kawasaki KX™450 motorcycle is the unrivaled bike that builds champions. Championship-proven technology complements 449cc of elite power, making it the leader of the KX™ legacy.

Get the off-road edge by riding the bike built to stay ahead of the rest. The KX™450X motorcycle's 449cc 4-stroke engine features a downdraft intake layout and centrally positioned straight exhaust port for high airflow efficiency to deliver robust power across the rev-range.

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Kawasaki's competition 450cc off-road race bike. Kawasaki is continuing their push into off-road racing and the release of the KX450X model a few years back ensures their commitment to it. Team Green was once the program to beat in the 90’s back when KX500’s ruled the roost in the desert and KDX models were raced in the woods.

Our all-new flagship race machine, the KX450 motorcycle, offers next-level engineering and power to dominate the track. Over the decades, we’ve learned what it takes to win and stay on top. The KX450 embodies this legacy to the fullest. To learn more about the illustrious history of the KX brand, click on the link below: KX 50TH ANNIVERSARY SITE.

Our all-new flagship race machine, the KX450, offers next-level engineering and power to dominate the track. Over the decades, we’ve learned what it takes to win and stay on top. The KX450 embodies this legacy to the fullest. The KX450’s engine has always been a strength, but Kawasaki engineers found a way to make it even stronger.

Factory-style ø49 mm inverted coil-spring front fork and New Uni Trak rear suspension offer race-ready suspension performance and adjustability to let riders tune their settings to suit conditions. Already highly acclaimed for their slim ergonomics, the KX450 receives redesigned bodywork that offers an even smoother rider interface.

The 2025 Kawasaki KX™450 motorcross bike is the leader of the KX™ legacy featuring championship-proven technology and a 449cc engine to help riders dominate on the track.

2025年3月31日 · The 2025 KX450X is an off-road cross-country competition model that features the same championship-proven technology found on KX race machines and has been purposely tuned for off-road competition. The addition of a 21”/18” wheel combination allows the power of the KX450X to be transferred directly to the ground and the Dunlop AT81 tires ...

2024年9月22日 · The 2025 Kawasaki KX450’s MSRP remains unchanged from last year, and I hear attractive incentives are available, making the KX even more appealing. The Kawasaki is one of the more manageable 450cc motocrossers out there.