The 1998 SM 125 is an entry-level Supermoto motorcycle that blends off-road inspired performance with street-legal capabilities. Known for its agile handling and lightweight construction, this model offers an engaging riding experience for enthusiasts. A brand with a rich heritage in off-road and enduro motorcycles, adapted its robust platform for the Supermoto segment, creating a distinctive option for riders seeking a dynamic and fun machine. Its 124.8 cc liquid-cooled, two-stroke engine, typically paired with a 6-speed transmission and wet multi-plate clutch, delivers spirited performance suitable for both spirited street riding and light off-road excursions. This Workshop Service Repair Manual provides comprehensive coverage for the 1998 SM 125, designed to assist owners and technicians in maintaining and repairing the vehicle. The manual details complete service, repair, and maintenance procedures, including scheduled maintenance, fluid changes, and component replacements. It also offers in-depth troubleshooting guidance, diagnostic procedures, and detailed wiring schematics to address any issues. With step-by-step instructions for disassembly and assembly, this manual covers all major and minor components, from the engine mechanicals and fuel system to the suspension, brakes, and electrical systems, ensuring optimal vehicle performance and longevity.