Engineering:Kawasaki KX125
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| Manufacturer | Kawasaki |
|---|---|
| Production | 1974-2008 |
| Successor | Kawasaki KX250F |
| Class | Motocross |
| Engine | 124 cc (7.6 cu in) liquid-cooled two-stroke single |
| Related | Kawasaki KX500 |
The Kawasaki KX125 is a two-stroke, motocross motorcycle produced by Kawasaki from 1974 to 2008.
The KX125 was developed as a lightweight, high-performance bike aimed at competitive riders in the 125cc class. Over its three-decade production run, it underwent numerous technical and design updates to remain competitive with offerings from Honda, Yamaha, Suzuki, and KTM.
In 2005, Kawasaki discontinued the KX125, aligning with a broader industry shift away from two-stroke engines in favor of four-stroke technology. The model was succeeded in part by the KX250F, a four-stroke motocross bike that continues to be part of Kawasaki.
Jeff Emig, Ricky Carmichael, and James Stewart Jr., competed on KX125s early in their careers.
Technical Specifications
Liquid-cooled, single-cylinder, two-stroke engine paired with a six-speed transmission. Its design emphasized agility and responsiveness, with a lightweight frame and long-travel suspension suited for aggressive motocross riding. In later years, Kawasaki incorporated upside-down (inverted) forks, aluminum perimeter frames, and improved carburetion to boost performance and handling.
The motorcycle was known for its high-revving engine, making it popular among racers and enthusiasts.
See also
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