The Yamaha XT660, produced in 2004, represents a versatile dual-sport and supermoto motorcycle designed for riders seeking a capable machine for both on-road and light off-road excursions, or for spirited urban commuting. This model, available in XT660R and XT660X variants, is powered by a robust, liquid-cooled, 4-stroke, SOHC, 4-valve single-cylinder engine displacing 660cc, featuring modern fuel injection for efficient power delivery. Known for its reliable engineering and the characteristic torque of its single-cylinder powerplant, the XT660 offers a blend of practicality and performance, building on Yamaha's extensive heritage in motorcycle design and its long-standing XT series lineage.

This comprehensive Service Repair Manual provides detailed information crucial for the maintenance, repair, and troubleshooting of your 2004 Yamaha XT660. It covers all essential systems, including the engine, fuel system, ignition, transmission, drivetrain, chassis, suspension, brakes, and electrical components, complete with wiring diagrams. Within its estimated 350 pages, you will find step-by-step procedures for routine maintenance, major repairs, component disassembly and assembly, along with essential technical specifications, torque values, and diagnostic guidance. This manual is an indispensable resource for owners, mechanics, and technicians aiming to ensure the optimal performance and longevity of their XT660 motorcycle.