This manual provides comprehensive service and repair information for the 1999 FE 400, FE 501, and FE 600 models. These high-performance off-road motorcycles were distinguished by their robust engines and competitive off-road capabilities. Designed for demanding enduro and motocross use, these models featured powerful four-stroke, single-cylinder engines with displacements of approximately 400cc, 501cc, and 600cc, typically equipped with a SOHC valvetrain and liquid cooling. Their engineering quality and focus on rider control made them notable competitors in their segment.

This service and repair manual is meticulously structured to assist owners, mechanics, and technicians in maintaining and repairing the specified models. It covers critical areas including complete engine disassembly and reassembly, routine maintenance schedules, troubleshooting procedures for various issues, and detailed specifications for the electrical and fuel systems. Furthermore, the manual includes in-depth information on the cooling system, exhaust system, ignition system, and transmission, providing step-by-step instructions, torque specifications, and diagnostic guidance necessary for optimal performance and longevity of the vehicle.