This manual covers the TXC450 and TXC510 models from the 2010 production year. These high-performance off-road motorcycles are engineered for competitive enduro riding, built upon an extensive heritage in off-road racing and innovation. Known for their potent four-stroke, liquid-cooled engines with DOHC configurations and electronic fuel injection, the TXC models offer a robust perimeter frame designed for strength and rider control in challenging terrain. The TXC450 features a 449.8 cc displacement, while the TXC510 offers a slightly larger 477.1 cc engine, both paired with a 6-speed manual transmission and wet multi-plate clutch. This comprehensive workshop service repair manual provides detailed information essential for the maintenance, repair, and diagnostics of your TXC motorcycle. It covers a wide array of systems, including engine mechanicals, fuel and ignition systems, cooling, exhaust, transmission, clutch, suspension, brakes, wheels, tires, steering, and the electrical system. The manual offers step-by-step repair instructions, recommended maintenance schedules and fluid specifications, diagnostic procedures, and complete electrical wiring diagrams. This resource is invaluable for owners and professional technicians seeking to ensure their vehicle remains in optimal condition and performs reliably.