The 2004 Yamaha XT660R and XT660X represent versatile offerings in the dual-sport and supermoto segments, respectively. Powered by a robust 660cc liquid-cooled, four-stroke, SOHC single-cylinder engine with Electronic Fuel Injection, these models deliver reliable performance suitable for a range of riding conditions. The XT660R features long-travel suspension for light off-road capability, while the XT660X is tuned for sporty street performance with a stiffer suspension setup and enhanced braking. Yamaha's heritage in building durable and capable motorcycles is evident in the engineering and design of the XT660 series, making them a compelling choice for riders seeking adventure and agility.

This comprehensive service and repair manual provides detailed guidance for the 2004 Yamaha XT660R and XT660X. It covers all essential systems, including engine overhaul, transmission, chassis components, brakes, and electrical systems. The manual includes step-by-step repair procedures, scheduled maintenance guidelines, troubleshooting charts for common issues, and essential technical specifications such as torque values and fluid requirements. This resource is designed to assist owners, technicians, and mechanics in maintaining the optimal performance, safety, and longevity of their XT660R or XT660X motorcycle.