This manual covers the Buell Firebolt, specifically the XB9R and XB12R variants of the 1st Generation XB Platform. Produced between 2003 and 2009, with a primary focus on the 2007 model year, the Firebolt is a high-performance sport motorcycle engineered with a unique design philosophy emphasizing mass centralization. Key features include an underslung exhaust system, a frame-mounted fuel cell, and the innovative Zero Torsional Load (ZTL) front braking system. These elements, along with its air-cooled, 45-degree V-twin Thunderstorm engine, contribute to its agile handling and thrilling riding experience, making it a distinctive offering in the sportbike market. This comprehensive Service Repair Workshop Manual provides detailed instructions and technical information essential for the maintenance and repair of your Buell Firebolt. It covers all major systems, including the engine, transmission, chassis, steering, suspension, brakes, electrical system, fuel system, and bodywork. The manual includes step-by-step procedures for scheduled maintenance, troubleshooting common issues, component repair, and diagnostics, offering in-depth coverage suitable for owners and professional technicians alike. Its searchable and navigable format ensures efficient access to the information needed to keep your vehicle in optimal condition.