This manual covers the 2011 TE125 and SMS4 motorcycles, renowned for their robust engineering and performance in their respective off-road and street-biased categories. With origins dating back to 1903, a rich heritage of motorsport experience is brought to these models. The TE series represents a dedication to enduro riding, while the SMS series offers a street-focused dirt bike experience. These motorcycles are designed for enthusiasts and riders who appreciate a blend of power, agility, and reliability, empowering them with the capability for demanding terrain or spirited street riding. This comprehensive service repair manual provides essential information for maintaining and repairing your 2011 TE125 or SMS4. It offers detailed instructions for engine overhaul, routine maintenance, and troubleshooting, covering everything from basic checks to complete rebuilds. The manual includes high-quality illustrations, diagrams, wiring schematics, and step-by-step procedures for all major systems, including the engine, chassis, and electrical components. This resource is invaluable for DIY enthusiasts and professional mechanics alike, enabling efficient diagnostics, repairs, and upkeep to ensure optimal performance and longevity of the motorcycle.