This manual covers the TC449, TE449, and TXC449 models from the 2011, 2012, and 2013 model years. These high-performance off-road motorcycles are designed for motocross, enduro, and cross-country riding, featuring a liquid-cooled, single-cylinder, four-stroke engine with approximately 449cc displacement and electronic fuel injection. Known for their robust construction and Italian engineering, motorcycles of this era offered competitive performance against other leading brands in the off-road segment, emphasizing rider control and mechanical prowess. This comprehensive service and workshop manual provides detailed information essential for the maintenance, repair, and troubleshooting of your motorcycle. It covers all major systems, including engine overhaul, drivetrain components, chassis, suspension, and electrical systems. Included are routine maintenance procedures, step-by-step repair instructions for disassembly and reassembly, and diagnostic guidance for common issues. This manual is an indispensable resource for owners, mechanics, and technicians seeking to ensure the optimal performance and longevity of their TC449, TE449, or TXC449.