This manual provides comprehensive guidance for the GSX600F and GSX750F motorcycles, commonly known by their distinctive 'Katana' styling, produced between 1998 and 2002. These models feature robust DOHC, 16-valve, inline-four cylinder engines, available in 599cc and 748cc displacements respectively, paired with a 6-speed sequential transmission and chain drive. Engineered for performance and reliability, they represent a significant part of sportbike heritage, characterized by their aerodynamic faired bodywork and capable chassis. This service manual is designed to assist owners and technicians in maintaining and repairing these motorcycles. It covers all major systems, including detailed procedures for engine overhaul, transmission servicing, chassis components, and electrical systems. Within its pages, you will find essential information on scheduled maintenance, troubleshooting common issues, component repair, and the use of specialized tools. The manual's thoroughness ensures that both routine upkeep and more complex repairs can be performed with confidence, preserving the integrity and performance of your GSX600F or GSX750F.