🏷️ Basic Information Identification Make: Yamaha Model: YZF-R1S / YZF-R1SC Year: 2004 Codes Chassis Code: RN09 👋 Introduction Market Position Purpose: This manual serves as the definitive guide for maintaining, diagnosing, and repairing the 2004 Yamaha YZF-R1S/SC motorcycle, mirroring the information used by authorized Yamaha dealerships. Key Features User Benefits: Empowers owners and technicians with the knowledge to perform all service tasks, from routine maintenance to complex overhauls, ensuring optimal performance and longevity of the motorcycle. Offers significant cost savings compared to dealership labor. Competitive Analysis Market Segment: High-performance supersport motorcycle segment, competing with models from Honda (CBR954RR/CBR1000RR), Suzuki (GSX-R1000), Kawasaki (ZX-10R), and Ducati (999). 📋 Manual Details Coverage Areas General Coverage: Complete workshop service and repair for Yamaha YZF-R1S and YZF-R1SC models. Page Count Total Pages: 450+ Manual Type Type: Workshop Service Manual Accuracy Standard: Factory original documentation. Language Primary Language: English Format File Format: PDF (Portable Document Format) 📖 Manual Coverage Systems Covered Engine: Detailed coverage including engine mechanical, engine coolant, engine control system, emission control systems, camshaft, cylinder head, cylinder block, lubrication system, oil filter, oil pump, cooling system, cooling fan system, thermostat, water pump. Drivetrain: Clutch system, clutch unit, clutch start switch, clutch release cylinder, clutch master cylinder, transmission systems (manual transaxle), drive shaft, drive belt, differential case assembly. Chassis: Brake system (front and rear brakes, brake fluid, brake booster, brake master cylinder, brake actuator), suspension systems (front suspension, rear suspension, rear coil spring, rear shock absorber), steering system, wheel and tire system, torque converter clutch, torque specifications. Electrical: Ignition system, charging system, starting system, starter Assy, fuel injection system (SFI system), combination meter, lighting system, horn, power window control system, power door lock control system, power mirror control system, supplemental restraint system (SRS), seat belt warning system, airbags (passenger airbag, side airbag), wiring diagrams, wire harness repair, ECU diagnostics. Bodywork: Fairings, fuel tank, seat, headlights, taillights, fenders, and related mounting hardware. Emission Control: Exhaust system, catalytic converter (if applicable by market), emission control related components and diagnostics. Instrumentation Controls: Combination meter, switches, levers, and cables. Procedures Included Maintenance: Regular maintenance tasks, fluid changes, filter replacements, lubrication points, valve clearance adjustment. Repair: Step-by-step repair procedures for all major components, including complete disassembly and reassembly instructions. Troubleshooting: Extensive troubleshooting guides for diagnosing and resolving common and complex issues, including electrical system diagnostics and wiring troubleshooting. Diagnostics: Detailed diagnostic procedures for engine, electrical, fuel, and chassis systems, including fault codes if applicable to the ECU. Installation: Instructions for installing and adjusting various components and accessories. Technical Depth Depth Of Information: Comprehensive and detailed, suitable for both DIY enthusiasts and professional mechanics. Includes detailed illustrations, drawings, and photos for each procedure. Illustrations: Hundreds of detailed illustrations, drawings, and photographs to guide users through procedures. 📊 Manual Specifications File Format File Type: PDF Compatibility: Compatible with Windows, Mac, and Linux operating systems. Print Quality Printability: All pages are printable without restriction. Binding Type Digital Format: Digital Download Paper Type Digital Quality: High-resolution scans of original factory manual. ⚙️ Engine Specifications Primary Engine Engine Type: Inline 4-cylinder, liquid-cooled, DOHC, 16-valve Displacement: 998 cc Performance Bore X Stroke: 74.0 mm x 58.0 mm Compression Ratio: 12.3:1 Horsepower: Approximately 152 hp (at crankshaft, depending on specific market tuning) Torque: Approximately 10.5 kg-m / 103 Nm (at crankshaft, depending on specific market tuning) Fuel System Fuel Delivery: Fuel Injection Fuel Type: Unleaded gasoline, minimum 91 octane (RON+MON)/2 Throttle Body: 4x 45mm throttle bodies with dual injectors per cylinder. 🔧 Transmission Standard Transmission Type: 6-speed constant mesh, sequential Features Clutch Type: Wet, multiple disc Final Drive: O-ring chain 📐 Dimensions Weights Dry Weight: Approximately 177 kg (390 lbs) Wet Weight: Approximately 200 kg (441 lbs) (with all fluids and full tank) Exterior Length: 2,090 mm (82.3 in) Width: 705 mm (27.8 in) Height: 1,135 mm (44.7 in) Wheelbase: 1,405 mm (55.3 in) Ground Clearance: 135 mm (5.3 in) 🛡️ Safety Features Passive Features Frame Type: Aluminum twin-spar Active Features Braking System Front: Dual 320 mm hydraulic disc, radial mount calipers Braking System Rear: Single 220 mm hydraulic disc Suspension Front: 43 mm upside-down telescopic fork, adjustable compression and rebound damping, spring preload adjustment Suspension Rear: Single shock, adjustable compression and rebound damping, spring preload adjustment Tires Front: 120/70ZR17M/C (58W) Tires Rear: 190/50ZR17M/C (73W) 💡 Technology Features Infotainment Instrumentation: Multi-function digital LCD instrument cluster including speedometer, tachometer, odometer, trip meters, clock, fuel gauge, water temperature gauge, and indicator lights. Analog-style tachometer face with digital readout. Driver Assistance Traction Control: None (This model predates widespread adoption of electronic rider aids like traction control on superbikes). Performance Aids Engine Management: Advanced fuel injection system with dual injectors per cylinder for optimal fuel atomization and power delivery across the rev range. 🔧 Maintenance Service Intervals Oil Change Interval: Every 6,000 km (3,700 miles) or 6 months, whichever comes first....