The Scrambler 400 4x4, produced in 2000, is a performance-oriented All-Terrain Vehicle (ATV) designed for both recreational and utility use. This model is distinguished by its powerful 2-stroke liquid-cooled engine, true 4x4 capability with selectable 2WD/4WD, and long-travel independent suspension for superior off-road handling. Its automatic Variable Transmission (PVT) ensures seamless power delivery. A pioneer in ATV manufacturing, the Scrambler line was built to offer a sporty and capable off-road experience, making the 2000 model a notable entry in its history. This comprehensive workshop repair service manual provides detailed guidance for all aspects of the Scrambler 400 4x4. It covers complete engine overhaul, fuel system maintenance, clutch service, final drive and transmission repair, brake system servicing, and the entire electrical system, including detailed color-coded wiring diagrams. The manual offers step-by-step repair instructions, disassembly and assembly guides, troubleshooting procedures for common issues, and essential technical specifications. Its purpose is to empower owners and technicians with the knowledge required for effective maintenance, diagnostics, and repair, ensuring the longevity and optimal performance of the vehicle.