This comprehensive repair manual offers detailed instructions and technical specifications for maintaining and repairing your 1999-2002 Kawasaki KX125 and KX250 2-stroke motorcycles. Dive into a wealth of information covering all aspects of your motorcycle, from basic routine maintenance to complex engine overhauls. The manual provides clear guidance on topics like engine removal and installation, fuel system diagnostics, lubrication and cooling system maintenance, engine specifications, transmission and drive chain adjustments, steering system alignment, shock adjustments, bodywork repair, intake and exhaust system troubleshooting, and electrical system diagnostics. It also includes advanced troubleshooting guides to help you identify and resolve complex issues. This manual serves as an invaluable resource for any owner looking to perform repairs, understand their motorcycle's mechanics, or simply improve their maintenance practices.

The 1999-2002 Kawasaki KX125 and KX250 were highly regarded motocross bikes that cemented Kawasaki's reputation for producing powerful and agile machines. Both models were powered by liquid-cooled, two-stroke engines, offering a raw and responsive riding experience. The KX125, with its 124cc engine, was a popular choice for amateur racers and enthusiasts seeking a lightweight and nimble bike. The KX250, on the other hand, boasted a larger 249cc engine, delivering more power and torque, making it a formidable competitor in the professional motocross scene. Both bikes featured a rigid and durable aluminum frame, providing excellent handling and stability on the track. The suspension, consisting of Kayaba forks and a Uni-Trak rear shock, offered adjustable damping and spring preload, allowing riders to tailor the bike's performance to their preferences and the specific terrain.

The 1999-2002 KX125 and KX250 were packed with cutting-edge technology for their time, contributing to their overall performance and rider satisfaction. The KX125 featured a unique "Power Valve" system, which modulated exhaust port timing for improved torque and horsepower across the RPM range. The KX250, meanwhile, utilized a larger 36mm Keihin carburetor, providing optimal fuel delivery for its powerful engine. Both bikes came equipped with a six-speed transmission, allowing riders to find the perfect gear for any situation. Additionally, the KX125 sported a light and responsive hydraulic clutch, while the KX250 employed a more robust hydraulic system for handling the increased engine torque. These features, combined with the bikes' impressive handling and power, made the 1999-2002 KX125 and KX250 popular choices for both competitive and recreational riders, solidifying their place in the history of motocross.