This manual provides comprehensive guidance for the SR250 and SR250G models manufactured between 1980 and 1984. Known for their robust engineering and reliable performance, these motorcycles represent a significant part of heritage. The SR250 series is celebrated for its simple yet effective design, making it a popular choice for both commuting and leisure riding. This workshop manual is designed to assist owners and technicians in maintaining the integrity and functionality of these classic machines, ensuring they continue to deliver an optimal riding experience. The scope of this workshop service manual is extensive, covering detailed repair and overhaul procedures for all major systems, including the engine, fuel, ignition, lubrication, exhaust, electrical systems, transmission, and bodywork. It includes essential information on routine maintenance, servicing, diagnostic procedures, and step-by-step repair instructions for assembly and disassembly. This manual emphasizes safety, providing specific notations for warnings and cautions, and references necessary special tools. It serves as an indispensable resource for mechanical technicians and knowledgeable owners seeking to perform maintenance and repairs with accuracy and confidence, mirroring the information found in authorized dealer service departments.