The Hyosung Comet GT125 and GT250, produced from 2002 to 2010, represent Hyosung's entry into the lightweight sport motorcycle market. These models are characterized by aggressive styling that mimics larger sportbikes, with the GT250 featuring a V-twin engine that provides a distinct character and sound. Designed for riders seeking an accessible yet stylish performance machine, the Comet series offered a competitive alternative in its segment. Key features include a steel diamond frame, telescopic front forks, and a rear monoshock or twin shock suspension system, complemented by hydraulic disc brakes for reliable stopping power.

This comprehensive repair and service manual provides detailed guidance for the maintenance and repair of your Hyosung Comet GT125/GT250. It covers essential areas such as engine overhaul, transmission systems, chassis components, and electrical systems, offering step-by-step procedures for routine maintenance, component replacement, and troubleshooting. The manual includes critical technical specifications, wiring diagrams, and diagnostic flowcharts to assist owners, mechanics, and technicians in keeping the vehicle in optimal condition and resolving potential issues effectively.