This manual covers the Suzuki GSF1250 Bandit, also known as the Bandit 1250A, produced for the 2007 through 2009 model years. As a naked bike or standard motorcycle, the GSF1250 Bandit is powered by a liquid-cooled, 16-valve, DOHC inline-four engine displacing 1255 cc, delivering approximately 106 horsepower and 115 Nm of torque. Key features include fuel injection system, a 6-speed transmission with wet, multi-plate clutch, and chain drive. This generation saw significant updates including the larger engine, fuel injection, and revised styling. Industry reviews praised its accessible power, comfortable ergonomics, and value. This comprehensive service repair workshop manual provides factory-level detail for all models and repairs from A to Z. It covers essential maintenance procedures, including routine servicing like oil changes and filter replacements, as well as major repairs such as engine and transmission overhauls. Detailed sections address the engine, fuel system, cooling system, ignition system, transmission, drivetrain, brakes, suspension, steering, and the complete electrical system, including wiring schematics. Troubleshooting guides and diagnostic procedures are also included to assist in resolving common and uncommon issues, making it an indispensable resource for owners and professional technicians alike.