🏷️ Basic Information Identification Make: Aprilia Model: V990 Motorcycle Type: Sportbike / V-Twin Sportbike Engine Configuration: V-Twin Codes Engine Family Code: V990 👋 Introduction Market Position Target Audience: Aprilia V990 motorcycle owners and independent workshops performing maintenance and repairs. Competitive Analysis Value Proposition: Provides essential technical knowledge for DIY repairs, saving significant costs compared to dealership service. Enables long-term maintenance and performance optimization. Key Features Digital Format Advantage: Easy to download, accessible across devices, printable pages for workshop use. Visual Aid Quality: Exploded diagrams are crucial for understanding complex assemblies and correct part orientation. 📋 Manual Details Coverage Areas Primary Coverage: Complete service and repair of the Aprilia V990 motorcycle. Specific Coverage: Engine disassembly, reassembly, individual part work, engine removal/refitting from the vehicle frame. Page Count Estimated Page Count: N/A (Digital PDF, content-driven) Manual Type Type: Workshop Manual / Service Repair Manual Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Complete engine overhaul, including cylinder head, pistons, connecting rods, crankshaft, valve train, oil pump, and cooling system. Engine Management: While not explicitly stated, a comprehensive workshop manual would typically include basic diagnostic information related to engine performance and troubleshooting, possibly referencing ECU parameters and ignition/fuel mapping concepts. Chassis And Frame: Engine mounting and removal procedures from the frame are covered, implying interaction with chassis components. Procedures Included Engine Disassembly: Detailed step-by-step instructions for dismantling the V990 engine. Engine Reassembly: Comprehensive guidance for rebuilding the V990 engine with correct torque specifications and assembly sequences. Engine Removal Installation: Procedures for safely removing the complete engine from the motorcycle frame and reinstalling it. Individual Part Work: Guidance on specific tasks related to individual engine components. Technical Depth Depth: Comprehensive, covering complete engine rebuilds and detailed mechanical procedures. Visuals: Includes highly detailed exploded pictures and diagrams. 📊 Manual Specifications File Format Compatibility: All Versions of Windows & Mac Print Quality Printability: Printable without any restriction. Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Requirements Software Requirement: Adobe PDF Reader Delivery Delivery Method: Instant download link on checkout page after payment. ⚙️ Engine Specifications Primary Engine Engine Type: Liquid-cooled, four-stroke, V-twin (90-degree). Displacement Cc: 990cc (Typical for V990 engine family, specific models may vary slightly). Bore X Stroke Mm: N/A (Specific to sub-model, but typically around 97 x 68 mm or similar for 990cc V-twins). Valve Actuation: DOHC, four valves per cylinder. Performance Horsepower Hp: Generally in the 115-130 HP range, depending on the specific V990 variant (e.g., RSV Mille, Tuono). Torque Nm: Typically around 95-105 Nm, depending on the specific V990 variant. Fuel System Fuel Delivery: Fuel Injection (EFI), often with dual injectors per cylinder for performance models. Ignition System: Electronic ignition with advanced timing control. Lubrication Oil System: Wet sump, with specific oil capacities and filter part numbers detailed in the manual. Cooling System Cooling Type: Liquid-cooled. 🔧 Transmission Standard Gearbox Type: 6-speed constant mesh sequential gearbox. Optional Clutch Type: Hydraulic actuated wet multi-plate clutch. Features Final Drive: Chain drive. Gear Ratios: Specific gear ratios for each speed would be detailed in the manual for optimal performance and maintenance. 📐 Dimensions Exterior Wheelbase Mm: N/A (Varies by specific V990 model, e.g., RSV Mille, Tuono). Weights Dry Weight Kg: N/A (Varies by specific V990 model, typically around 175-195 kg). 🛡️ Safety Features Ratings Safety Features Coverage: While this is a workshop manual, it implicitly supports safety by ensuring proper maintenance of braking, suspension, and structural integrity of the engine mounting. Active Features Braking System: Manual would cover engine-related aspects that impact braking performance, but not the braking system itself in detail unless engine-dependent. Passive Features Engine Integrity: Crucial for safe operation, ensuring correct reassembly of critical engine components. 💡 Technology Features Infotainment Infotainment Coverage: N/A (This is a mechanical workshop manual focusing on the engine). Driver Assistance Electronics Coverage: While not a diagnostic tool, the manual provides essential understanding of engine control unit (ECU) related mechanical components and sensor locations relevant to engine operation. Connectivity Diagnostic Interface: N/A (Not a diagnostic scanner; refers to mechanical aspects of the engine management system). 🔧 Maintenance Service Intervals General Guidelines: The manual would provide specific intervals for tasks such as oil changes, filter replacements, spark plug checks, valve clearance adjustments, and timing belt inspection/replacement. Fluid Specifications Engine Oil Type: Specific API SG or higher, JASO MA certified motorcycle-specific synthetic or semi-synthetic oil (e.g., 10W-40 or 15W-50, depending on climate and model year). Coolant Type: Ethylene glycol-based antifreeze with corrosion inhibitors, typically a 50/50 mix with distilled water. Clutch Fluid: DOT 4 or DOT 5.1 brake fluid. Known Issues Common Wear Items: While the manual focuses on repair, it implicitly guides towards addressing common wear items such as clutch plates, valve stem seals, and cam chain tensioners. Maintenance Importance: Emphasis on regular maintenance is key to preventing...