🏷️ Basic Information Identification Make: Aprilia Model: SXV 450/550 & RXV 450/550 Year: 2007, 2008, 2009 Codes Engine Code Range: 450cc V-Twin & 550cc V-Twin (Specific codes not provided, but models define range) 👋 Introduction Market Position Category: High-performance Supermoto and Dual-Sport motorcycles Target Audience: Enthusiast owners, independent repair shops, performance tuning specialists Competitive Analysis Competitors: KTM EXC, Husqvarna SMR, Yamaha WR, Honda CRF (Supermoto variants) Key Features Unique Selling Points: Aprilia's renowned V-twin engine architecture, high-performance off-road capabilities blended with street legality (SXV) or track focus (RXV). Value Proposition Manual Value: Essential resource for maintaining and repairing the specialized V-twin engines of these Italian performance motorcycles, ensuring longevity and optimal performance. 📋 Manual Details Coverage Areas Covered Models: Aprilia SXV 450, SXV 550, RXV 450, RXV 550 Covered Years: 2007-2009 Page Count Italian Pages: 145 English Pages: 149 Manual Type Type: Factory Service Engine Repair Manual Language Languages: English, French Format File Type: PDF Delivery Format: ZIP 📖 Manual Coverage Systems Covered Primary Focus: Engine Only Engine Components: Engine teardown, assembly, internal components (pistons, rings, valves, camshafts, crankshafts, bearings), cylinder heads, lubrication system, cooling system (engine aspects), fuel delivery system (engine aspects). Procedures Included Repair Procedures: Complete engine rebuild, component replacement, torque specifications for critical fasteners, diagnostic procedures for engine-related faults, timing adjustments, valve clearance checks and adjustments. Maintenance Procedures: Engine oil and filter changes, coolant flush and replacement, spark plug replacement, air filter cleaning/replacement (engine context). Technical Depth Depth: Comprehensive factory-level detail suitable for professional technicians and experienced enthusiasts undertaking major engine work. 📊 Manual Specifications File Format Quality: High Quality Print Quality Printable: Fully Printable Binding Type Binding: Digital (PDF) Paper Type Paper: N/A (Digital File) ⚙️ Engine Specifications Primary Engine Engine Type: V-Twin Four-Stroke Bore X Stroke 450: Approximately 72 mm x 51.1 mm (Exact spec requires deeper research within manual or factory data) Bore X Stroke 550: Approximately 75.5 mm x 63.1 mm (Exact spec requires deeper research within manual or factory data) Valvetrain: DOHC, 4 valves per cylinder (Common configuration for Aprilia V-twins) Performance Horsepower 450 Approx: Around 60-65 hp (Varies with tuning and specific model) Horsepower 550 Approx: Around 70-75 hp (Varies with tuning and specific model) Torque 450 Approx: Around 50-55 Nm (Varies with tuning and specific model) Torque 550 Approx: Around 60-65 Nm (Varies with tuning and specific model) Fuel System Fuel Delivery: Fuel Injection (Electronic Fuel Injection - EFI) Ignition System: Electronic Ignition Lubrication System Type: Wet Sump with Oil Cooler (Common configuration) Cooling System Type: Liquid Cooled 🔧 Transmission Standard Type: 6-Speed Manual Optional Clutch Type: Wet Multi-plate Clutch Features Final Drive: Chain Drive 📐 Dimensions Exterior Wheelbase Approx: 1470 mm - 1500 mm (Varies slightly between SXV and RXV) Weights Dry Weight Approx 450: 120-130 kg Dry Weight Approx 550: 125-135 kg 🛡️ Safety Features Ratings Certification: Road legal (SXV), Track/Off-road focused (RXV) - European ECE standards likely Active Features Braking System Front: Hydraulic Disc Brakes (Large diameter, high performance) Braking System Rear: Hydraulic Disc Brake Passive Features Lighting: Headlight, Taillight, Turn Signals (SXV), often omitted or simplified on RXV 💡 Technology Features Infotainment Dash Display: Digital instrument cluster with speedometer, tachometer, odometer, trip meters, and warning lights. Driver Assistance ABS: Typically not equipped as standard on these performance-oriented models, but check specific market variants. Connectivity Features: Limited to basic motorcycle electronics; no advanced connectivity features like Bluetooth or GPS integration typical of modern street bikes. 🔧 Maintenance Service Intervals Engine Oil Change: Refer to manual for specific mileage/time intervals, typically 3,000-5,000 km or annually for aggressive use. Valve Clearance Check: Refer to manual for specific intervals, often around 10,000-15,000 km due to performance cams. Spark Plug Replacement: Refer to manual, typically every 10,000-15,000 km or as per inspection. Fluid Specifications Engine Oil Type: Synthetic Motorcycle Oil, SAE 10W-40 or 15W-50 (Refer to manual for precise Aprilia recommendation and API classification). Engine Oil Capacity Approx: Approx. 1.6 - 1.8 Liters (Without filter change), Approx. 1.8 - 2.0 Liters (With filter change) - Verify in manual. Coolant Type: Ethylene Glycol Based Antifreeze/Coolant (50% mixture with distilled water) Known Issues Engine Reliability General: These V-twin engines are high-strung and require diligent maintenance. Common areas of concern can include valve train wear, potential stator issues, and coolant leaks if not properly maintained. Performance Tuning Impact: Aggressive tuning or improper maintenance can lead to accelerated wear or failure of internal engine components. The manual is crucial for correct procedures. 📚 Vehicle History Brand Heritage Manufacturer: Aprilia (Piaggio Group) Origin: Italy Model Evolution Development: Developed from Aprilia's experience in off-road racing, particularly motocross and supermoto championships. Sxv Purpose: Supermoto, designed for aggressive street riding and track days, bridging off-road chassis with road-biased components. Rxv Purpose: Enduro/Off-road, designed for rugged terrain, competition, and aggressive trail riding. Production Production Period Covered: 2007-2009 (Manual covers these...