🏷️ Basic Information Identification Make: Aprilia Model: SXV/RXV Engine Options: 450cc, 550cc Codes Model Years Covered: 2006, 2007, 2008, 2009, 2010, 2011, 2012 👋 Introduction Market Position Segment: High-performance off-road motorcycles (Supermoto/Motocross). Competitive Analysis Competitors: KTM EXC/SXC, Husqvarna SM/CR, GasGas EC/SM, Yamaha WR/YZ, Honda CRF/CR, Suzuki RM/RM-Z, Kawasaki KX/KLX. Key Features Vehicle Type: Dual-sport and Supermoto variants with potent V-twin engines. Engine Architecture: Unique liquid-cooled, four-stroke V-twin engine architecture for this class. Manual Value Proposition: Essential for owners and technicians to maintain and repair these specialized Italian motorcycles. 📋 Manual Details Coverage Areas Primary Focus: Engine Service, Repair, and Workshop Procedures Page Count Estimated Pages: Approximately 500-700 (typical for comprehensive service manuals) Manual Type Type: Factory Service Repair Workshop Manual Language Language: English Format Format: Digital Download (PDF) 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, disassembly, inspection, repair, valve timing, piston/cylinder, crankshaft, camshafts, oil pump, water pump, cooling system. Fuel System: Fuel injection system (EFI), injectors, fuel pump, fuel pressure regulator, throttle body, electronic control unit (ECU) mapping. Ignition System: Ignition coils, spark plugs, ECU control, timing adjustments. Lubrication System: Oil circulation, oil filter, oil cooler, oil specifications, capacities. Cooling System: Radiator, coolant hoses, thermostat, water pump, coolant specifications, bleeding procedures. Exhaust System: Exhaust manifold, catalytic converter (if applicable), muffler, gasket replacement. Procedures Included Routine Maintenance: Oil and filter changes, spark plug replacement, air filter cleaning/replacement, valve clearance adjustment, coolant flush. Troubleshooting: Diagnostic charts, common fault identification, repair solutions for performance issues, starting problems, engine noise. Major Repairs: Engine rebuilds, head gasket replacement, piston ring replacement, valve seat grinding, bearing replacement. Specific Procedures: Torque specifications for all fasteners, camshaft timing procedures, ECU reset procedures, diagnostic connector pinouts. Technical Depth Depth: Comprehensive coverage suitable for professional technicians and experienced DIY mechanics. 📊 Manual Specifications File Format Format Details: High-resolution, searchable PDF with indexed sections and clear diagrams. Print Quality Quality: Clear, legible text and high-quality illustrations/diagrams. Optimized for printing. Binding Type Binding: N/A (Digital PDF) Paper Type Paper: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Type: Liquid-cooled, four-stroke, V-twin (90-degree) Displacement 450: 449.8 cc Displacement 550: 549.4 cc Bore Stroke 450: 72 mm x 54.2 mm Bore Stroke 550: 84 mm x 49 mm Compression Ratio Approx: 12.0:1 to 13.0:1 (varies by model/year) Valve Train: DOHC, 4 valves per cylinder (pneumatic valve closures on some models) Performance Horsepower 450 Approx: 60+ hp @ ~9,000 rpm Horsepower 550 Approx: 65+ hp @ ~8,000 rpm Torque 450 Approx: 45+ Nm @ ~7,500 rpm Torque 550 Approx: 55+ Nm @ ~7,000 rpm Fuel System Induction: Electronic Fuel Injection (EFI) - typically Keihin or Mikuni throttle bodies. Fuel Type: Unleaded gasoline (95 RON or higher recommended) 🔧 Transmission Standard Type: Constant-mesh, 6-speed sequential Optional Type: N/A (All models feature manual transmission) Features Clutch: Hydraulically actuated wet multi-plate clutch Final Drive: O-ring sealed chain drive 📐 Dimensions Exterior Frame: CrMo steel trellis frame (typical for Aprilia off-road models) Wheelbase: Approx. 1470-1490 mm (varies by model/year) Seat Height: Approx. 900-920 mm (unladen, varies by model/year) Weights Dry Weight Approx: 125-135 kg (varies by model/year) 🛡️ Safety Features Ratings Crash Test Data: Not applicable to off-road motorcycles in standard automotive safety rating formats. Active Features Braking System Front: Hydraulic disc brake with radial-mount calipers (e.g., Brembo, ISR). Braking System Rear: Hydraulic disc brake with single-piston caliper. Suspension Front: Upside-down telescopic forks (e.g., Marzocchi, Paioli, White Power), fully adjustable. Suspension Rear: Monoshock with progressive linkage, fully adjustable (e.g., Sachs, Ohlins). Passive Features Lighting: Halogen headlight and taillight/brake light. 💡 Technology Features Infotainment Features: Basic analog tachometer and digital speedometer/odometer cluster. Limited electronic features. Driver Assistance Features: N/A (No ABS, traction control, or other electronic rider aids common on modern street bikes). 🔧 Maintenance Service Intervals Oil Change Engine: Every 5,000 km or annually (or more frequently for hard use). Air Filter: Clean every 1,000 km, replace as needed. Spark Plugs: Inspect every 5,000 km, replace as needed (typically NGK or Denso iridium plugs). Valve Clearance: Inspect every 10,000 km (or as specified in manual). Fluid Specifications Engine Oil: SAE 10W-40 Synthetic Motorcycle Oil, API SG or higher, JASO MA/MA2 certified (e.g., Motul 7100, Castrol Power 1). Engine Oil Capacity: Approx. 1.8 - 2.2 Liters (check manual for exact quantity and dry fill). Coolant: Ethylene glycol based coolant with corrosion inhibitors (50/50 mix with distilled water). Follow Aprilia specifications. Brake Fluid: DOT 4 or DOT 5.1 hydraulic fluid (check manual for specific recommendation). Clutch Fluid: DOT 4 or DOT 5.1 hydraulic fluid (typically same as brake fluid). Known Issues Common Complaints: Potential for stator failures, exhaust valve issues, occasional fuel injector clogging, and oil leaks if not maintained properly. Specific Maintenance Points: Regular checking and adjustment of the exhaust servo motor and cable tension is crucial for optimal performance and longevity. 📚 Vehicle History Brand Heritage...