This manual covers the FS650C and FS450C Supermoto/Off-Road Motorcycles from model years 2001, 2002, and 2003. Founded by former Husqvarna engineers, the brand was known for its focused, high-performance machines, often featuring robust single-cylinder engines. The FS series represented the brand's entry into the supermoto segment, adapting their strong off-road platforms for street performance. These models likely utilized the KTM RFS engine architecture, celebrated for its potent single-cylinder power.

This comprehensive service repair manual provides essential technical data and procedures for maintaining and repairing these specific models. It details engine service and repair, including component overhaul, routine maintenance tasks, and troubleshooting common issues. The manual covers critical areas such as engine mechanicals, fuel systems, ignition, transmission, and chassis components. Its purpose is to assist owners, mechanics, and technicians in ensuring the longevity and optimal performance of their FS650C and FS450C motorcycles.