🏷️ Basic Information Identification Make: Aprilia Model: V990 Engine Type: V-Twin Codes Engine Code Designation: V990 Series (e.g., RSV Mille, Tuono) 👋 Introduction Market Position Target Audience: Aprilia V990 owners, independent motorcycle mechanics, and repair shops Competitive Analysis Manual Advantage: Make, model, and year-specific for the V990 engine platform, offering detailed V-Twin engine and chassis coverage unlike generic manuals. Key Features Key Features: Instant download, step-by-step diagrams, comprehensive coverage from basic maintenance to full engine rebuild, electrical diagrams included. Manual Utility: Covers everything needed to repair, maintain, or service the Aprilia V990 engine and related systems. 📋 Manual Details Coverage Areas Manual Coverage: Engine (V990), Chassis, Electrical Systems, Suspension, Brakes, Transmission Page Count Estimated Page Count: Comprehensive (Exact count not specified, but detailed coverage implies significant length) Manual Type Manual Type: Service Repair Manual Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Engine Systems: Lubrication, Fuel System, Cooling System, Cylinder Head, Valves, Pistons, Crankshaft, Connecting Rods, Crankcase, Oil Pump, Water Pump Transmission Systems: Clutch, Gearshift Linkage, Sub-transmission, Main Transmission, Gear Ratios Electrical Systems: Battery, Charging System (Alternator/Regulator), Ignition System, Electric Starter, Switches, Wiring Diagrams Chassis Systems: Front Wheel, Front Suspension (Forks), Rear Wheel, Rear Suspension (Shock Absorber, Swingarm) Brake Systems: Hydraulic Brake System (Front and Rear Calipers, Master Cylinders, Lines) Fuel System Components: Fuel pump, injectors, fuel pressure regulator, throttle position sensor (TPS), MAP sensor. Ignition System Components: Ignition coils, spark plugs, ECU (Engine Control Unit), crank angle sensor. Procedures Included Engine Procedures: Engine Removal/Installation, Engine Rebuilding, Valve Adjustment, Piston Installation, Crankshaft Balancing, Cylinder Honing Transmission Procedures: Clutch Replacement, Gearbox Inspection and Repair, Shift Drum and Fork Alignment Electrical Procedures: Wiring Harness Repair, Ignition Timing Adjustment, Starter Motor Troubleshooting, Battery Maintenance Chassis Procedures: Suspension Fork Service, Rear Shock Absorber Maintenance, Wheel Bearing Replacement, Steering Head Bearing Adjustment Brake Procedures: Brake Bleeding, Brake Pad Replacement, Master Cylinder Overhaul, Caliper Service Troubleshooting: Dedicated troubleshooting section covering common symptoms, possible causes, and diagnostic steps. Technical Depth Technical Depth: Comprehensive Workshop Level (Includes diagnostics, repair, overhaul, and adjustment of all major mechanical and electrical components) Diagnostic Procedures: Includes troubleshooting sections and diagnostic charts to identify and resolve common problems. Repair Procedures: Detailed step-by-step instructions for component disassembly, inspection, repair, and reassembly. Adjustment Procedures: Covers critical adjustments such as valve clearance, ignition timing, idle speed, and suspension settings. Diagrams And Illustrations: Features clear, step-by-step diagrams and illustrations to aid in understanding complex procedures. 📊 Manual Specifications File Format File Format Details: Digital PDF, Instant Download Compatibility: PC/MAC Compatible Print Quality Print Quality: Printable pages, Zoom In/Out functionality for clarity Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Delivery Delivery Method: Instant Download via Email Link Payment Payment Options: Credit Card, PayPal ⚙️ Engine Specifications Primary Engine Engine Configuration: Liquid-cooled, 90-degree V-Twin, 4-stroke Bore X Stroke: Typically 97 mm x 68 mm (for RSV Mille/Tuono variants, specifics may vary slightly) Displacement: 990 cc (approx.) Valve Train: DOHC, 4 valves per cylinder Combustion Chamber Design: Pent-roof or similar sportbike configuration Cooling System: Liquid-cooled with electric fan Performance Horsepower Range: Approx. 125-130 HP (varies by model and tuning) Torque Range: Approx. 95-100 Nm (varies by model and tuning) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) with throttle bodies Ignition System: Electronic Ignition (CDI or ECU controlled) 🔧 Transmission Standard Transmission Type: 6-speed sequential constant mesh Optional Optional Features: N/A (Typically standard 6-speed) Features Clutch Type: Hydraulically actuated wet multi-plate clutch Gear Engagement: Roller bearing supported shift drum with spring-loaded detents 📐 Dimensions Exterior Typical Wheelbase: Approx. 1410-1450 mm (depending on specific V990 model like RSV Mille, Tuono) Weights Typical Dry Weight: Approx. 185-200 kg (depending on specific V990 model) Typical Wet Weight: Approx. 205-220 kg (depending on model and fluid levels) 🛡️ Safety Features Ratings Safety Features Covered: Brake system design, electrical safety, general component integrity Active Features Active Safety Covered: Brake system performance, chassis stability (related to suspension and steering) Passive Features Passive Safety Covered: N/A (Focus is on mechanical and electrical systems, not passive crash structures) 💡 Technology Features Infotainment Infotainment Coverage: N/A (Focus is on mechanical and electrical systems, not infotainment) Driver Assistance Driver Assistance Covered: N/A (No electronic rider aids like ABS or traction control typically covered in this engine-focused manual, though braking system diagnostics are included). Connectivity Connectivity Covered: N/A (Focus is on onboard electrical systems, not external connectivity) 🔧 Maintenance Service Intervals Typical Oil Change Interval: Refer to manual for specific model (often 3,000-6,000 km or annually) Typical Valve Clearance Check: Refer to manual for specific model (often 10,000-20,000 km) Air Filter Replacement: Refer to manual for specific model and operating conditions Fluid Specifications Engine Oil Type: Refer to manual for specific viscosity grade and API specification (e.g., 10W-40, 15W-50, JASO MA) Coolant Type: Ethylene glycol-based coolant with corrosion inhibitors (refer...