The Kawasaki KX250F, model code KX250-N1, is a motocross motorcycle produced in 2004, representing Kawasaki's strong commitment to the competitive 250cc four-stroke segment. Building on a legacy of off-road racing success, this model was engineered for performance and agility, featuring a liquid-cooled, four-stroke, single-cylinder engine with a displacement of 249 cc. Its design includes a 48mm inverted telescopic front fork and a New Uni-Trak rear suspension system, both offering adjustable damping, alongside front and rear petal disc brakes for reliable stopping power. These features contribute to its reputation for competitive handling and performance, making it a notable machine for off-road enthusiasts. This comprehensive Service Repair Workshop Manual in English provides detailed information for maintaining and repairing the 2004 Kawasaki KX250F. It covers a wide range of topics including General Information, Periodic Maintenance, Fuel System, Cooling System, Engine components (Top End, Right Side, Lubrication), Engine Removal/Installation, Crankshaft/Transmission, Wheels/Tires, Final Drive, Brakes, Suspension, Steering, Frame, and the Electrical System, along with an Appendix. The manual offers professional-quality, step-by-step instructions, exploded diagrams, and factory-level detail, enabling enthusiast owners and mechanics to perform routine maintenance, troubleshooting, component replacement, and system overhauls, ultimately saving on repair costs and ensuring optimal performance.