This manual covers the Yamaha FZS600 Fazer sport touring motorcycle, produced for the 1998 and 1999 model years. Known for its liquid-cooled, 599cc inline-four engine, steel diamond frame, and faired aesthetic, the FZS600 Fazer offered a refined package in the mid-weight sport-touring segment, competing with models like the Honda CB500 and Suzuki Bandit GSF600. Its design emphasized a blend of performance, rider comfort, and reliability, making it a popular choice for owners seeking a versatile machine for various riding conditions. This comprehensive English-language service and repair manual provides factory-level technical detail for the Yamaha FZS600 Fazer. It covers all essential systems, including engine overhaul, fuel and ignition systems, transmission, cooling, electrical, suspension, brakes, wheels, tires, frame, and bodywork. The manual includes detailed maintenance procedures, troubleshooting guides, repair instructions, disassembly and reassembly steps, adjustments, and diagnostic information, along with critical technical specifications such as torque values and clearances. This resource is designed to assist owners and professional technicians in maintaining and repairing the vehicle effectively.