The Buell Firebolt XB9, produced for the 2003 and 2004 model years, represents a distinctive approach to sportbike design. Featuring an air-cooled, 45-degree V-twin engine with a 984 cc displacement, it delivers approximately 92 horsepower and 67 lb-ft of torque, offering a unique torque-rich character. Key innovations include its aluminum frame that doubles as a fuel reservoir, a centralized mass design for enhanced handling, and the Buell Zero-Taper front brake system with a large rotor and rim-mounted caliper. These elements, combined with its aggressive styling and American V-twin heritage, set the Firebolt XB9 apart in the performance motorcycle market.

This Service Repair Manual provides comprehensive guidance for professional technicians and experienced enthusiasts. It covers all essential aspects of the Buell Firebolt XB9, including detailed procedures for engine disassembly, assembly, and tuning; transmission and clutch system service; fuel injection system diagnostics and repair; and the electrical system, from wiring diagrams to sensor troubleshooting. The manual also details maintenance, adjustment, and repair for the braking, suspension, chassis, cooling, and exhaust systems, as well as bodywork. With in-depth technical information, diagnostic procedures, and crucial torque specifications, this manual is an indispensable resource for maintaining and repairing the vehicle.