The Ninja ZX-6R (ZX600J) represents a significant model in the 600cc supersport motorcycle class, produced for the 2000, 2001, and 2002 model years. This high-performance machine is characterized by its potent 599cc liquid-cooled inline-four engine, featuring electronic fuel injection and a robust chassis designed for both track prowess and spirited street riding. Known for its advanced engineering, sharp handling, and powerful braking system, the Ninja ZX-6R competed effectively within its segment, offering riders a thrilling and capable experience. Its aerodynamic bodywork and emphasis on rider engagement solidified its reputation as a premier sportbike. This comprehensive service and workshop manual provides essential information for the maintenance, diagnosis, and repair of the Ninja ZX-6R (ZX600J). It covers all critical systems, including the engine, electronic fuel injection, ignition, suspension, brakes, and electrical components, offering detailed, step-by-step procedures at a professional level. The manual includes specific torque values, fluid specifications, routine maintenance schedules, and guidance on common issues, ensuring that owners and technicians can effectively preserve the performance and reliability of their motorcycle. Access to this manual is crucial for any work performed on the vehicle, from basic servicing to complex overhauls.