This manual covers the TXC 450 and TXC 510 models from the 2010 model year. These off-road motorcycles are built upon a rich heritage in competitive racing, designed for performance and durability in demanding conditions. Featuring single-cylinder, four-stroke, liquid-cooled engines with Electronic Fuel Injection (EFI) and a 6-speed transmission, these bikes offer a potent combination of power and agility. The robust steel trellis frame provides a solid foundation for the suspension and braking systems, ensuring reliable handling. This factory service repair manual provides comprehensive, factory-level detail for all aspects of maintaining and repairing your TXC 450 or TXC 510. It includes in-depth coverage of engine systems, chassis components, and electrical systems, along with detailed troubleshooting guides, diagnostic procedures, and step-by-step repair instructions. With hundreds of pages of essential information, including wiring diagrams and illustrations, this manual empowers owners and technicians to perform all necessary servicing, from routine maintenance to complex repairs, ensuring optimal performance and longevity of the vehicle.