The SM 125 S, produced from 2000 to 2004, is a lightweight supermoto motorcycle known for its agile handling and spirited performance, appealing to enthusiasts of both street riding and off-road excursions. Built upon a platform likely related to the CR/WR series chassis and powered by a variant of the 125cc two-stroke engine, this model embodies a heritage in performance-oriented off-road vehicles. Its design emphasizes versatility, offering a capable machine for spirited riding on paved surfaces and light off-road capabilities, positioning it within a competitive segment alongside similar models from other manufacturers.

This service repair manual provides comprehensive coverage for the SM 125 S, encompassing detailed procedures for repair, maintenance, rebuilding, refurbishment, and restoration. It covers all major systems, including the engine's top-end and bottom-end, transmission, chassis, braking, electrical, and fuel systems, along with routine maintenance tasks and troubleshooting guidance. With hundreds of pages of highly detailed information, factory specifications, torque values, and assembly sequences, this manual is an essential resource for owners and technicians seeking to maintain and repair their vehicle effectively.