🏷️ Basic Information Identification Make: Aprilia Model: Tuono V990 Year: 2004 Vehicle Type: Motorcycle Category: Sport-Touring / Naked 👋 Introduction Market Position Target Audience: Aprilia Tuono V990 2004 owners, mechanics, and service professionals seeking detailed, accurate repair information. Usage Scenarios: Ideal for owners performing routine maintenance, addressing minor repairs, or for those undertaking major overhauls and engine rebuilds. Competitive Analysis Differentiation: Vehicle-specific, not generic. Contains the same information used by authorized dealers, ensuring accuracy and completeness. Key Features Value Proposition: Enables owners to perform maintenance and repairs, saving significant costs on labor. Empowers owners with knowledge for better communication with technicians. Clarity Of Instruction: Accurate, clear, and concise text combined with illustrations makes it easy for users of varying skill levels. 📋 Manual Details Coverage Areas Coverage Summary: Comprehensive service, repair, and troubleshooting for the 2004 Aprilia Tuono V990. Specific Topics Listed: Engine Identification, General Precautions, Maintenance Check List, Check and Maintenance, Special Tools, Engine Body, Fuel System, Troubleshooting, Servicing Specifications, Tightening Torques, Disassembling and Servicing, Cooling System, Fuel Filter, Electrical System, Alternator, Regulator. Page Count Estimated Page Count: Detailed content implies a substantial page count, typical of a full workshop manual (e.g., 500+ pages). Manual Type Type: Service Repair Workshop Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine Systems: Engine Identification, Engine Body, Fuel System, Cooling System, Fuel Filter, Alternator, Regulator. Electrical Systems: Electrical System, Wiring Schematic, Alternator, Regulator. Chassis Systems: Implied through general repair and servicing coverage, including potentially suspension and frame details not explicitly listed but covered under general servicing. Exhaust System: Implied coverage under general servicing and repair procedures. Suspension System: Implied coverage under general servicing and repair procedures, particularly for fork and rear shock maintenance. Procedures Included Maintenance Procedures: Maintenance Check List, Check and Maintenance, Servicing Specifications, Tightening Torques, Disassembling and Servicing. Repair Procedures: Step-by-step repair instructions for all major topics. Troubleshooting Procedures: Troubleshooting section with detailed guidance. Diagnostic Procedures: Troubleshooting and servicing specifications indicate diagnostic capabilities. Tightening Torques Detail: Specific torque values for critical fasteners are provided, ensuring correct assembly and preventing damage. Technical Depth Depth: Mechanic-level detail, including diagrams, illustrations, wiring schematics, and specifications. Suitable for basic owners to independent professionals and dealership technicians. Diagrams And Illustrations: Includes diagrams and illustrations crucial for visual understanding of complex assemblies and procedures. Wiring Schematics Detail: Comprehensive wiring schematics for accurate electrical diagnostics and repairs. Special Tools Identification: Lists specific tools required for certain maintenance and repair tasks, aiding in preparation. Manual Completeness Completeness Statement: Stated to be complete and intact, without missing or corrupt parts/pages, covering all major topics comprehensively. 📊 Manual Specifications File Format File Type: PDF Searchability: PDF format generally allows for text searching, enhancing usability. Print Quality Printability: All pages are printable. Binding Type Binding: N/A (Digital Format) Paper Type Paper Type: N/A (Digital Format) Compatibility Operating Systems: All Versions of Windows and Mac. Requirements Software Requirements: Adobe PDF Reader. ⚙️ Engine Specifications Primary Engine Engine Type: V-Twin, Four-Stroke Displacement: 990 cc (as indicated by model name) Performance Horsepower Estimate: Typically around 125-130 hp for this model and era. Torque Estimate: Typically around 70-75 lb-ft for this model and era. Fuel System Fuel Delivery: Fuel Injection (likely). Cooling System Cooling Method: Liquid-cooled (implied by 'COOLING SYSTEM' coverage). Engine Body Engine Design: The 'ENGINE BODY' section will cover cylinder heads, crankcase, lubrication system components, and internal engine parts. 🔧 Transmission Standard Transmission Type: Manual Number Of Gears: Typically 6-speed for this platform. Features Clutch Type: Wet, multi-plate clutch (typical for Aprilia V990). 📐 Dimensions Weights Dry Weight Estimate: Around 180-190 kg (approx. 400-420 lbs) for the Tuono V990 model. 🛡️ Safety Features Active Features Braking System: Dual front disc brakes with multiple-piston calipers, single rear disc brake. Manual would detail specific caliper types and rotor sizes. Passive Features Frame Construction: Aluminum twin-spar frame (typical for Aprilia V990). 💡 Technology Features Infotainment Instrumentation: Analog tachometer, digital speedometer, and other indicator lights typical of a sportbike. Driver Assistance ABS: ABS was likely an optional feature for the 2004 model, and the manual would detail its components if equipped. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 3,000-6,000 miles or annually, but the manual will provide precise intervals. Valve Clearance Check Interval: The manual will detail specific mileage or time intervals for valve clearance checks, critical for V-twin engines. Fluid Specifications Engine Oil Type: The manual will specify the exact API classification and viscosity grade for engine oil (e.g., SAE 10W-40, JASO MA). Coolant Type: The manual will specify the correct type of ethylene glycol-based coolant and its mixture ratio. Brake Fluid Type: The manual will specify the DOT standard for brake fluid (e.g., DOT 4). Clutch Fluid Type: If hydraulic clutch, the manual will specify the appropriate fluid type. Known Issues Common Wear Items: Spark plugs, air filters, brake...