🏷️ Basic Information Identification Make: Yamaha Model: XT660R / XT660X Model Variants: XT660R (Supermoto/Enduro), XT660X (Supermoto) Model Years Covered: 2004, 2005, 2006, 2007, 2008 Manual Product Name: Yamaha XT660R XT660X 2004-2008 Service Repair Manual Codes Vin Code General: Not explicitly provided, typically model-specific for Yamaha motorcycles 👋 Introduction Market Position Target Audience: Owners and independent mechanics of Yamaha XT660R and XT660X motorcycles. Value Proposition: Provides OEM-level repair and maintenance information, equivalent to dealer resources, enabling cost-effective servicing. Competitive Analysis Alternative Sources: Official Yamaha service manuals (often dealer-exclusive and costly), aftermarket repair guides (variable quality). Advantage Over Alternatives: Digital format for easy access and searchability, inclusion of TSBs/recalls, same information as dealer techs. Key Features Feature 1: Comprehensive coverage of all maintenance and repair procedures. Feature 2: Detailed diagrams and illustrations for visual guidance. Feature 3: Manufacturer's specifications and technical data. Feature 4: Inclusion of scheduled service information and technical bulletins. 📋 Manual Details Coverage Areas Coverage Summary: Comprehensive workshop manual for all repair and maintenance needs on XT660R and XT660X models from 2004-2008. Diagnostic Coverage: Dealer technician level diagnostics and repair procedures. Service Bulletin Coverage: Includes technical service bulletins (TSBs) and recall information. Page Count Estimated Page Count: Not explicitly stated, but described as 'complete' and 'comprehensive' implying several hundred pages. Manual Type Type: Workshop Service Repair Manual Language Primary Language: English Format Digital Format: PDF Delivery Method: Free Download Compatibility Operating Systems: Windows, macOS, Linux 📖 Manual Coverage Systems Covered Engine Mechanical: Engine disassembly, assembly, tuning, lubrication, cooling system, piston/cylinder, valve train, crankshaft, connecting rod. Fuel System: Fuel injection system (EFI), throttle body, fuel pump, injectors, fuel filter, fuel tank. Clutch Transmission: Clutch operation, disassembly, assembly, transmission gears, shift mechanism, lubrication. Electrical System: Ignition system, lighting, starting system, charging system, battery, ECU, wiring diagrams. Brake System: Front and rear brake systems, calipers, master cylinders, brake lines, brake fluid, hydraulic system. Suspension Steering: Front forks (telescopic), rear shock absorber, linkage, steering head bearings, wheel bearings. Frame Bodywork: Frame inspection, body panels, seat, fuel tank mounting, fenders. Wheels Tires: Wheel removal and installation, tire types, pressure, balancing. Exhaust System: Exhaust pipe, muffler, lambda sensor (if applicable). Procedures Included Maintenance: Routine maintenance, tune-ups, oil changes, filter replacements, chain adjustment, brake servicing. Troubleshooting: Diagnostic charts for common problems, fault finding. Repair Overhaul: Detailed step-by-step instructions for component disassembly, repair, and reassembly, including engine/clutch rebuilds. Technical Bulletins: Integration of manufacturer's technical service bulletins for specific known issues and their resolutions. Technical Depth Depth Level: Comprehensive, covering everything from basic maintenance to complete engine and gearbox overhauls. User Skill Level: Suitable for owners with basic mechanical knowledge to professional technicians. 📊 Manual Specifications File Format File Type: PDF Searchability: Likely searchable text, typical for modern PDF manuals. Print Quality Illustration Clarity: High quality, detailed illustrations and diagrams. Text Clarity: Accurate, clear, and concise text. Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Liquid-cooled, 4-stroke, SOHC, 4-valve Engine Displacement: 660cc Bore X Stroke: 100.0 mm x 84.0 mm Compression Ratio: 9.2:1 Performance Horsepower Est: Approx. 47 hp @ 6000 rpm (Varies by market/tune) Torque Est: Approx. 59 Nm (43.5 ft-lbs) @ 5250 rpm (Varies by market/tune) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) Throttle Body Diameter: Not explicitly stated, but typically around 44mm for this class. Fuel Type: Unleaded gasoline (91 octane or higher recommended) Lubrication Oil Type Recommended: Yamalube 4 (or equivalent 10W-40 mineral or semi-synthetic motorcycle oil) Oil Filter Part Number: Yamaha Genuine Part # 5JX-13440-00-00 (or equivalent aftermarket like Hiflofiltro HF145) Oil Capacity W Filter: 3.40 Liters (3.59 US qt) Cooling System Type: Forced-circulation, liquid-cooled Coolant Type: Ethylene glycol based coolant with demineralized water (50:50 mix) 🔧 Transmission Standard Type: Constant-mesh 5-speed sequential Clutch Type: Wet, multi-disc, cable-actuated Features Final Drive: Chain drive Gear Ratios: Detailed gear ratios will be specified in the manual. Transmission Oil Type: Yamaha Gear Oil (or equivalent 80W-90 API GL-4) Transmission Oil Capacity: 0.70 Liters (0.74 US qt) 📐 Dimensions Exterior Xt660R Length: 2,245 mm (88.4 in) Xt660R Width: 825 mm (32.5 in) Xt660R Height: 1,215 mm (47.8 in) Xt660X Length: 2,145 mm (84.4 in) Xt660X Width: 830 mm (32.7 in) Xt660X Height: 1,115 mm (43.9 in) Weights Xt660R Wet Weight: 184 kg (405.7 lbs) Xt660X Wet Weight: 182 kg (401.2 lbs) Xt660R Seat Height: 895 mm (35.2 in) Xt660X Seat Height: 875 mm (34.4 in) Xt660R Ground Clearance: 260 mm (10.2 in) Xt660X Ground Clearance: 165 mm (6.5 in) Cargo Fuel Tank Capacity: 15 Liters (3.96 US gal) 🛡️ Safety Features Ratings Crash Test Ratings: N/A (Motorcycle safety ratings differ from automotive, focus on component integrity and design for safety). Active Features Braking System: Hydraulic dual disc front brake, Hydraulic single disc rear brake. Optional ABS: ABS was an optional feature on some models,...