This manual covers the EC 125, 200, 250, and 300 models produced between 2003 and 2005. A specialist off-road motorcycle manufacturer, is renowned for its competitive trial and enduro motorcycles, with the EC series being a long-standing line of enduro competition bikes known for agile handling and strong low-end torque. These 2-stroke, liquid-cooled machines are designed for demanding off-road use, offering a potent combination of performance and durability. This comprehensive Factory Service Repair Workshop Manual provides detailed instructions for the service, repair, and troubleshooting of your EC motorcycle. It covers all major systems, including the engine, transmission, chassis, suspension, brakes, and electrical system, with hundreds of detailed photos and exploded diagrams. The manual also includes essential technical specifications, maintenance procedures, and adjustment guidelines, making it an indispensable resource for owners and technicians seeking to maintain and repair these off-road machines.