This manual covers the 2009 T135 (model code T135S), a popular underbone motorcycle known for its practicality and reliability. Building on a legacy of performance and innovation, the T135 is engineered for efficient urban commuting and everyday use. Its robust design, likely featuring a liquid-cooled, four-stroke engine, ensures dependable operation. This factory service repair manual provides comprehensive information tailored for do-it-yourself enthusiasts and professional mechanics alike, offering factory-level repair and maintenance insights. The scope of this extensive manual encompasses all essential aspects of the T135, including detailed service, repair, maintenance, and troubleshooting procedures. It covers the engine, cooling system, fuel system, drivetrain, chassis, and complete electrical system, complete with wiring schematics and illustrations. Step-by-step instructions for routine maintenance, adjustments, and component rebuilds are provided, ensuring owners and technicians have the resources needed to keep the motorcycle in optimal condition. The manual's detailed technical depth is designed to facilitate accurate and efficient servicing, making it an indispensable guide for preserving the vehicle's performance and longevity.