The FZ1 Fazer (FZS1000), chassis code RN02, represents a pinnacle of sport-touring engineering from the 2004 model year. Building upon a rich heritage of performance motorcycles, this model offers a potent liquid-cooled, 4-stroke, DOHC, 5-valve inline-four engine with a displacement of 998 cc, delivering approximately 148 hp. Its design emphasizes a balance between exhilarating performance and rider comfort, featuring a front fairing for enhanced wind protection and a relaxed riding position suitable for both spirited riding and longer journeys. The FZ1 Fazer is recognized for its robust build quality and reliable performance, making it a capable machine for a wide range of riding conditions. This comprehensive service and repair manual provides detailed information essential for the maintenance, troubleshooting, and repair of your 2004 FZ1 Fazer. It covers all major systems, including the engine, transmission, electrical components, chassis, suspension, brakes, and fuel system, offering step-by-step procedures, critical specifications, and diagnostic guidance. The manual is designed to empower owners and technicians alike, enabling them to perform routine maintenance, address common issues, and undertake complex repairs with confidence, ensuring the longevity and optimal performance of the vehicle. Its factory-level detail makes it an invaluable resource for anyone seeking to understand and maintain this high-performance motorcycle.