🏷️ Basic Information Identification Make: Aprilia Model: V990 Engine Vehicle Type: Motorcycle (Engine) Product Name: Aprilia V990 Engine Repair Service Manual 👋 Introduction Market Position Target Audience: Professional motorcycle technicians and experienced DIY mechanics Competitive Analysis Comparison To Paper Manuals: Identical in content to paper manuals, with the benefit of instant digital access Key Features Feature 1: Instant PDF download for immediate use Feature 2: Step-by-step repair procedures Feature 3: Critical specifications and torque values Feature 4: Illustrations and diagrams for clarity Feature 5: Comprehensive coverage equivalent to factory service manuals 📋 Manual Details Coverage Areas Primary Coverage: V990 Engine Mechanical and Electrical Systems Secondary Coverage: Routine Maintenance, Troubleshooting, Repair Procedures Page Count Estimated Page Count: N/A (Digital Format) Manual Type Type: Service Manual / Repair Manual / Workshop Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Complete overhaul, assembly, disassembly, lubrication, cooling, fuel, ignition, exhaust, starting, charging Engine Electrical: Wiring diagrams, component testing, ECU diagnostics, sensor identification Fuel System: Fuel injection, throttle bodies, fuel pump, injectors, fuel pressure regulation Ignition System: Ignition coils, spark plugs, ECU control of ignition timing Cooling System: Radiator, coolant flow, thermostat, water pump, fan operation Lubrication System: Oil pump, oil passages, oil filter, oil capacity, oil type recommendations Procedures Included Maintenance: Scheduled maintenance, fluid changes, filter replacements, spark plug service Disassembly Assembly: Step-by-step instructions for major and minor engine components Repair: Detailed repair procedures for common engine issues and failures Troubleshooting: Diagnostic flowcharts and common fault identification Cleaning: Procedures for cleaning engine components during overhaul Reinstallation: Proper reinstallation of engine components with torque specifications Technical Depth Depth: Comprehensive, suitable for professional technicians and advanced DIY enthusiasts 📊 Manual Specifications File Format Format: PDF Print Quality Printability: Full Printable Zoom Functionality: YES Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Requirements Software Requirements: Adobe PDF Reader, WinZip Compatibility: All Versions of Windows & Mac ⚙️ Engine Specifications Primary Engine Engine Code: V990 Engine Configuration: V-Twin (90-degree) Displacement: Approx. 990cc (Specific models may vary, e.g., 998cc for RSV Mille) Bore X Stroke: Varies by specific V990 variant, consult manual for exact figures Valve Train: DOHC, 4 valves per cylinder Performance Horsepower Range: Typically 115-130 HP (Model dependent) Torque Range: Typically 95-105 Nm (Model dependent) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) Fuel Type: Unleaded gasoline, minimum 95 RON Throttle Body Diameter: Varies by model, consult manual for specific EFI systems 🔧 Transmission Standard Type: 6-speed constant mesh Features Clutch Type: Wet, multi-plate Final Drive: O-ring sealed chain 📐 Dimensions Exterior Overall Length: Varies by motorcycle model (e.g., RSV Mille, Tuono) Overall Width: Varies by motorcycle model Overall Height: Varies by motorcycle model Weights Dry Weight: Varies by motorcycle model, typically 185-200 kg Wet Weight: Varies by motorcycle model, typically 205-220 kg 🛡️ Safety Features Ratings Crash Safety: N/A (Motorcycle specific safety features and rider protection are covered implicitly via maintenance) Active Features Braking System: High-performance hydraulic disc brakes (dual front, single rear), often with Brembo components. ABS may be optional on some models. Passive Features Frame Construction: Aluminum twin-spar frame (relevant for engine mounting and access) 💡 Technology Features Infotainment Infotainment System: N/A (Focus is on engine mechanics and electrics) Driver Assistance Rider Aids: ABS may be present on some models; manual covers associated systems. Connectivity Connectivity Features: N/A (Focus is on engine mechanics and electrics) 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 6,000 - 10,000 km or annually, consult manual for specific model year Spark Plug Replacement: Typically every 12,000 - 24,000 km, consult manual Valve Clearance Check: Typically every 12,000 - 24,000 km, consult manual Fluid Specifications Engine Oil Type: Fully synthetic motorcycle specific 10W-40 or 15W-50 (API SG or higher, JASO MA compliant), consult manual Engine Oil Capacity: Approx. 3.5 - 4.0 liters (with filter), consult manual Coolant Type: Ethylene glycol based coolant, 50/50 mix with distilled water Brake Fluid Type: DOT 4, consult manual for specific recommendations Known Issues Common Problem 1: Cam chain tensioner wear (especially on earlier models) Common Problem 2: Stator failure (electrical component) Common Problem 3: TPS (Throttle Position Sensor) issues leading to erratic throttle response Common Problem 4: Cracking exhaust headers on some models due to heat cycles Part Numbers Oil Filter Example Part Number: Example: Hiflofiltro HF153 or equivalent Aprilia OEM part number (consult manual) 📚 Vehicle History Brand Heritage Manufacturer Origin: Aprilia is an Italian manufacturer, known for performance motorcycles. Model Evolution V990 Introduction: The V990 engine was developed by Aprilia for their sportbike and naked bike models, starting in the late 1990s and early 2000s. Associated Models: Aprilia RSV Mille, Aprilia SL1000 Falco, Aprilia Tuono RSV/R Production Production Period: Approximately 1997-2009 (Varying iterations and displacements within the V990 family) 🏆 Awards & Recognition Recognitions Motorcycle Awards: While the V990...