The 2009 KTM 400 EXC is a high-performance competition enduro motorcycle renowned for its powerful LC4 engine, agile handling, and robust construction, making it a formidable choice for off-road enthusiasts and racing applications. Built with a heritage of producing exceptional off-road machines, this model features a lightweight, high-strength chromium-molybdenum steel trellis frame and advanced suspension components, contributing to its superior agility and responsiveness on challenging terrain. Its potent single-cylinder, four-stroke, liquid-cooled LC4 engine, with a displacement of 393.2 cc and DOHC valve train, delivers impressive power and torque, further enhanced by its electronic fuel injection system.

This comprehensive workshop service repair manual provides detailed, factory-level information essential for the maintenance, diagnosis, and repair of all variants of the 2009 KTM 400 EXC. It covers an extensive range of systems, including the engine, fuel system, ignition, cooling, transmission, drivetrain, suspension, brakes, electrical system, chassis, and bodywork. The manual offers step-by-step procedures for disassembly, assembly, inspection, and repair, alongside crucial details such as scheduled maintenance intervals, troubleshooting guides, torque specifications, and required special tools. This resource is invaluable for owners, mechanics, and technicians seeking to ensure the optimal performance and longevity of their 400 EXC.