The KLX250S, produced for the 2009 and 2010 model years, represents the second generation of this versatile dual-sport motorcycle. Engineered for a balanced performance, it excels in both on-road commuting and off-road trail riding, offering a capable and reliable platform. Known for robust engineering and long-term durability, the KLX250S is a popular choice for riders seeking an adaptable machine, and it is also recognized as a strong platform for customization and enhancement. This comprehensive Workshop Service Manual (WSM) is designed to assist owners, mechanics, and technicians in maintaining and repairing the KLX250S. The manual covers a wide array of systems, including detailed procedures for engine mechanicals, fuel and ignition systems, cooling, transmission, suspension, brakes, and the electrical system. It also provides instructions for routine maintenance, troubleshooting common issues, and performing in-depth repairs and diagnostics, ensuring the longevity and optimal performance of the vehicle.