This manual covers the TE310, TE450, TE510, TC450, TXC450, TXC510, SMR450, and SMR510 models from the 2010 model year. These motorcycles were produced in Italy. These versatile machines are designed for dual-sport, enduro, and supermoto applications, offering performance and reliability. They feature single-cylinder, 4-stroke engines with displacements ranging from 293.8 cc to 501.2 cc, typically paired with a 6-speed manual transmission and a hydraulic wet multi-plate clutch. The engineering quality reflects a dedication to off-road excellence, providing a robust platform for both recreational riding and competitive use. This comprehensive Service Repair Manual is designed to assist do-it-yourselfers and experienced mechanics in maintaining and repairing the specified models. It provides detailed information on all major systems, including the engine, fuel system, lubrication system, cooling system, brakes, suspension, electrical system, frame, wheels, and clutch. The manual includes step-by-step instructions for complete disassembly, overhauling, re-assembly, and rebuilding, alongside maintenance procedures, troubleshooting guides, diagnostic procedures, and settings and adjustments. With detailed illustrations, diagrams, and technical specifications such as torque values, this manual ensures accurate and efficient upkeep, helping owners save money on repairs and keep their vehicles in optimal working condition.