The Buell Firebolt XB12R is a 2007 sportbike renowned for its innovative engineering and performance-focused design, originating from the legacy of Erik Buell. This model embodies Buell's distinct approach to motorcycle construction, featuring a 'Zero Rise' chassis for mass centralization, a truss frame that doubles as a fuel reservoir, and an under-seat exhaust system. These design elements contribute to its agile handling and unique aesthetic, making it a standout in the sportbike category. Powered by the air-cooled, 1203 cc Thunderstorm V-Twin engine, the Firebolt XB12R delivers approximately 103 horsepower and 84 ft-lbs of torque, coupled with a 5-speed transmission and belt drive, offering a thrilling riding experience. This comprehensive workshop service manual provides in-depth guidance for the repair and maintenance of the 2007 Buell Firebolt XB12R. Covering a wide array of systems, including the engine, transmission, electrical system, fuel system, chassis, suspension, brakes, and bodywork, this manual offers step-by-step instructions for disassembly, assembly, adjustments, and troubleshooting. With detailed illustrations, exploded diagrams, and precise specifications, it is an essential resource for mechanics and DIY enthusiasts alike. The manual also emphasizes safety precautions and the correct use of special tools, ensuring that all maintenance and repair procedures are performed effectively and safely.