The 400 SXS, produced between 2000 and 2007, represents a potent entry in the high-performance off-road and motocross motorcycle segment. Renowned for its aggressive capabilities and a strong heritage in motorsports, this model is powered by a liquid-cooled, single-cylinder, four-stroke engine, approximately 399cc in displacement, featuring SOHC and four valves for enhanced performance. Its design prioritizes raw power delivery and robust handling, making it a favored choice among motocross racers and off-road enthusiasts who value a commitment to performance engineering. The bike’s chromoly steel trellis frame contributes to its strength and agility on challenging terrain.

This comprehensive factory service repair manual provides in-depth guidance for the 400 SXS, covering model years 2000 through 2007. It details essential maintenance procedures, including oil changes, filter replacements, and valve adjustments, alongside extensive troubleshooting and repair instructions for all major systems. From engine disassembly and carburetor tuning to suspension servicing and electrical diagnostics, this manual offers factory-level technical depth. It is an indispensable resource for owners, mechanics, and technicians seeking to maintain, diagnose, and repair their 400 SXS, ensuring its optimal performance and longevity.