The FE Series, encompassing the 400, 501, and 600 models from 1999, represents a significant era in high-performance off-road motorcycle development. As an independent Swedish manufacturer prior to its acquisition by another company, it was renowned for its powerful four-stroke engines and robust construction, catering to the demanding world of enduro and motocross. These motorcycles are characterized by their strong mid-range and low-end torque, designed for serious off-road enthusiasts who valued raw performance and durability in competitive environments.

This comprehensive service and repair manual is designed to provide detailed guidance for the maintenance and repair of your FE Series motorcycle. It covers essential areas including complete engine service and overhaul, fuel system management, ignition and cooling systems, transmission components, and routine maintenance procedures. The manual offers in-depth troubleshooting guides, technical specifications, torque values, and critical clearances, making it an indispensable resource for owners, mechanics, and technicians seeking to preserve the performance and longevity of these specialized off-road machines.