This manual covers motorcycles produced between 1998 and 2003, encompassing models with engine displacements ranging from 400cc to 650cc, including designations such as FE400, FE450, FE500, FE550, FE600, and FE650. These premium off-road motorcycles, developed during the Pre-KTM Acquisition Era, were renowned for their powerful four-stroke, liquid-cooled engines, SOHC valve trains, and robust chassis designs. Known for their performance and ruggedness, motorcycles of this period competed with other European manufacturers in the enduro and motocross markets, appealing to enthusiasts and professionals seeking agile and potent off-road machines.

This Factory Service Repair Manual provides comprehensive guidance for the maintenance, diagnosis, and repair of your motorcycle. It details procedures for engine mechanical and electrical systems, fuel and transmission systems, suspension, brakes, wheels, tires, and chassis components. The manual includes essential information such as maintenance schedules, troubleshooting guides, engine rebuild instructions, carburetor tuning, suspension setup, electrical diagnostics, and critical torque specifications. Its advanced diagnostic capabilities and detailed repair complexity make it an indispensable resource for both professional mechanics and experienced DIY enthusiasts aiming to maintain and optimize their motorcycle's performance and longevity.