The Hyosung Comet GT125 and GT250, produced between 2002 and 2010, represent Hyosung's entry into the sportbike market, offering a distinctive V-twin engine configuration and full-fairing styling. These motorcycles were designed to provide accessible performance and sporty aesthetics, appealing to new riders and budget-conscious enthusiasts. The GT125, with its 125cc V-twin engine, and the GT250, featuring a 249cc V-twin, both delivered a unique riding experience within their class, competing with other entry-level sportbikes of the era. Their design philosophy emphasized a balance of performance and affordability, making them a notable choice for riders seeking a visually engaging and capable machine.

This workshop service repair manual provides comprehensive guidance for the Hyosung Comet GT125 and GT250 models from 2002 through 2010. It covers all essential aspects of maintenance, diagnosis, and repair, including detailed procedures for engine overhaul, fuel system servicing, transmission and clutch maintenance, electrical system troubleshooting, and brake and suspension system work. The manual also includes critical technical specifications, torque values, and routine maintenance schedules, ensuring that owners and technicians have the necessary information to keep these motorcycles in optimal condition. Its thorough coverage aims to facilitate effective upkeep and repair, maximizing the longevity and performance of the vehicle.