This workshop service repair manual provides comprehensive guidance for the GT150 Comet, GT250 Comet, and GT250R Comet models. These motorcycles, originating from South Korea, represent a commitment to delivering accessible performance in the sportbike and naked bike segments, featuring V-twin or single-cylinder engines ranging from 125cc to 250cc. Known for their value proposition, the Comet series typically employs a manual transmission with a wet, multi-plate clutch and chain drive, and offers a balance of style and performance suitable for a broad range of riders.

This manual covers essential maintenance procedures, detailed troubleshooting guides, and in-depth repair instructions for all major systems, including the engine, fuel, ignition, electrical, transmission, braking, suspension, and steering. It is designed to assist owners, mechanics, and technicians in performing everything from routine scheduled maintenance, such as oil changes and filter replacements, to complex engine rebuilds and diagnostic procedures. The manual includes critical technical specifications, wiring diagrams, and information on special tools, ensuring accurate and efficient upkeep and repair of your motorcycle.