How Much Horsepower Does The Kawasaki KX450 Have & How Fast Can It Go?

Kawasaki’s first foray into motocross dates back to 1963, but Kawasaki’s ultimate motocrossers didn’t become known by the KX badge until 1975. Currently, Kawasaki KX dirt bikes include sizes like 65, 85, 112, 250, and 450. Kawasaki 65, 85, and 112 cc models use liquid-cooled two-stroke single-cylinder engines, while the 250 and 450 are also liquid-cooled single-cylinder but feature four-stroke technology. Motocross Action Magazine (MXA) tested the 2025 Kawasaki KX450 last year. During the MXA YouTube video, Josh Mosiman discusses

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