This manual covers the Yamaha YZF-R1 (model code 5PW1), a hyper-sport motorcycle from its fourth generation, produced between 2002 and 2003. Known for its refined engine performance and handling, this model was a benchmark superbike of its era, competing with top sportbikes from other manufacturers. The YZF-R1 is engineered for performance enthusiasts and track day riders, offering a powerful 998 cc liquid-cooled, four-stroke inline four-cylinder engine producing approximately 150 hp. Its design emphasizes mass centralization and aerodynamics, contributing to its sharp handling and aggressive styling.

This comprehensive English language parts catalog provides detailed, exploded-view diagrams and precise part numbers for the complete disassembly and reassembly of all motorcycle components. It covers critical systems including the engine internals, fuel and emission systems, cooling, ignition, drivetrain, brakes, chassis, bodywork, electrical system, suspension, steering, and exhaust. The manual is designed to facilitate accurate part identification and ordering, aiding owners and technicians in maintaining the YZF-R1's performance and ensuring the correct use of genuine Yamaha parts.