The RG125 Gamma is a celebrated lightweight sportbike motorcycle, produced from the mid-1980s to the late 1990s. Known for its nimble handling, strong two-stroke performance, and distinctive Gamma styling, it was a popular choice for enthusiasts and entry-level racers. This model represents a significant part of performance motorcycle heritage, offering an engaging riding experience that made it a competitive option against contemporaries like the TZR125 and NSR125R. Its engineering quality and reliability, characteristic of sportbike legacy, contributed to its enduring appeal.

This comprehensive factory service manual provides detailed technical information and repair procedures for the RG125 Gamma. It covers all major systems, including the engine, fuel, transmission, electrical, brake, and suspension systems, with in-depth guidance on disassembly, diagnosis, and reassembly. The manual is designed to assist owners, mechanics, and technicians in performing everything from routine maintenance, such as oil changes and chain adjustments, to complex repairs and full engine rebuilds. It also includes essential technical specifications, torque values, and troubleshooting guidance to ensure the optimal performance and longevity of the RG125 Gamma.