The 2009 KTM 400 EXC / 400 XC-W represents a high-performance off-road motorcycle designed for enthusiast riders and competitive enduro racers. Built in Austria, this model is characterized by its liquid-cooled, four-stroke, single-cylinder engine with a displacement of 393 cc, delivering approximately 45-50 horsepower. It features a robust Chromium-molybdenum steel perimeter frame and advanced WP Suspension components, including USD front forks and a PDS rear shock, optimized for rugged terrain. The motorcycle's off-road bias is evident in its substantial ground clearance and spoked wheels fitted with appropriate off-road tires. The EXC variants were often street-legal, while the XC-W models were typically intended for closed-course competition, reflecting KTM's legacy in off-road racing.

This comprehensive service repair workshop manual provides detailed documentation for the 2009 KTM 400 EXC / 400 XC-W. It covers essential areas including engine systems, transmission and drivetrain, chassis and suspension, brakes, and the electrical system. The manual offers step-by-step instructions for preventative maintenance, repair, and rebuild procedures, along with diagnostic flowcharts for troubleshooting common issues. It also includes technical specifications, torque values, and identifies special tools required for various tasks. This resource is invaluable for owners, mechanics, and technicians seeking to maintain, repair, and optimize the performance and reliability of their KTM motorcycle.