This manual covers the SXV / RXV models from 2006, 2007, and 2008, equipped with 450cc or 550cc V-twin engines. An Italian manufacturer with a rich racing heritage, it is renowned for its innovative and performance-oriented motorcycles. The SXV and RXV lines exemplify this, offering a unique V-twin engine configuration within the high-performance off-road and supermoto segments. These models are distinguished by their aggressive styling and a focus on track-day capability and off-road prowess, often competing with other performance brands in their class. This comprehensive workshop service repair manual provides extensive guidance for the service, repair, maintenance, and refurbishment of your SXV / RXV. It details procedures for engine overhaul, transmission servicing, chassis and suspension adjustments, brake system maintenance, and electrical system diagnostics. The manual includes routine maintenance schedules, troubleshooting guides, major repair procedures, and critical technical specifications, such as torque values and clearances. Its purpose is to empower owners and technicians with the knowledge necessary to keep these high-performance machines in optimal condition, ensuring reliability and maximizing performance, and offers significant savings on dealership labor costs. 🏷️ Basic Information Identification Make: Aprilia Model: SXV / RXV Engine Variant: 450cc / 550cc Model Years Covered: 2006, 2007, 2008 👋 Introduction Market Position Segment: High-performance off-road/supermoto motorcycles, catering to enthusiasts and those seeking competitive edge. Competitive Analysis Competitors: KTM EXC/SMC series, Husqvarna SM/TE series, GasGas SM/EC series. Key Features Distinctive Attributes: V-twin engine configuration for its class, aggressive styling, focus on track-day performance and off-road capability (SXV dual-purpose, RXV off-road specific). Value Proposition Cost Savings: Significant savings on dealership labor costs for routine maintenance, repairs, and advanced troubleshooting. 📋 Manual Details Coverage Areas Primary Coverage: Service, Repair, Maintenance, Rebuild, Refurbishment, Restoration Page Count Estimated Page Count: High (Specific count not provided, but described as highly detailed) Manual Type Type: Workshop Service Repair Manual Language Language: English (Presumed based on typical manual localization and product description) Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Complete engine overhaul, internal components, lubrication system, cooling system, fuel delivery, ignition system, emissions control. Transmission: Gearbox disassembly and reassembly, clutch operation, shift mechanisms, gearbox oil specifications. Chassis Suspension: Front forks (Sachs/Marzocchi likely), rear shock absorber (Öhlins likely), swingarm, linkages, bearings, adjustment procedures. Brakes: Front and rear brake system components (Brembo likely), hydraulic lines, master cylinders, calipers, brake pads, rotor specifications, bleeding procedures. Electrical System: Wiring diagrams, battery, starter motor, alternator/generator, lighting system, ignition system components, sensor identification, troubleshooting. Fuel System: Carburetor (Dell'Orto likely for this era) or EFI specifics, fuel pump, fuel lines, fuel filter replacement. Cooling System: Radiator, cooling fan, hoses, coolant specifications, filling and bleeding procedures. Bodywork Frame: Fairings, seat, fuel tank, frame inspection, component removal and installation. Procedures Included Routine Maintenance: Oil changes, filter replacements (oil, air, fuel), chain lubrication and adjustment, spark plug inspection and replacement, valve clearance checks, tire pressure monitoring. Troubleshooting: Diagnostic procedures for common and uncommon faults, symptom-based troubleshooting guides, electrical diagnostic charts. Major Repairs: Engine rebuilds (top-end and bottom-end), transmission rebuilds, suspension overhaul, brake caliper rebuilding. Component Rebuilding: Carburetor/EFI system rebuilding, water pump rebuilding, starter motor servicing. Electrical Diagnostics: Testing of electrical components, sensor readings, wiring harness inspection, troubleshooting common electrical gremlins. Wheel Tire Service: Wheel bearing replacement, tire mounting and balancing, rim runout checks. Suspension Adjustment: Fork compression/rebound damping, spring preload, rear shock compression/rebound damping, rear shock preload adjustments. Torque Specifications: Detailed torque values for all critical fasteners, including engine internals, chassis components, and brake systems. Diagnostic Charts: Flowcharts and tables for diagnosing common operational issues and electrical faults. Technical Depth Depth: Comprehensive; covers everything from basic maintenance to full engine and transmission rebuilds. Includes torque specifications, clearances, and diagnostic procedures. Specific Measurements: Piston ring gap, connecting rod big-end bearing clearance, crankshaft runout, camshaft timing, ignition timing (if applicable). 📊 Manual Specifications File Format Format Details: PDF. Typically searchable text with high-resolution images and diagrams. Print Quality Quality: High-quality digital reproduction of original factory documentation. Binding Type Binding: N/A (Digital Download - PDF) Paper Type Paper Type: N/A (Digital Download - PDF) ⚙️ Engine Specifications Primary Engine Type: Four-stroke, V-twin (L-twin) engine Displacement 450: 449cc Displacement 550: 549cc Performance Horsepower Approx 450: ~50-55 HP (stock) Horsepower Approx 550: ~60-65 HP (stock) Torque Approx 450: ~40-45 Nm (stock) Torque Approx 550: ~50-55 Nm (stock) Fuel System Delivery System: Likely Carbureted (Dell'Orto PHM40 or similar) for 2006-2008 models, potentially early EFI on later iterations not covered. Fuel Type: Unleaded gasoline (91-98 RON recommended) Lubrication System Type: Wet sump (separate oil for engine and gearbox is common in performance bikes) 🔧 Transmission Standard Type: 6-speed constant mesh sequential gearbox Optional Optional Gearboxes: N/A (Single standard configuration) Features Clutch Type: Wet multi-plate clutch, hydraulically actuated Final Drive: Chain drive 📐 Dimensions Exterior Wheelbase Approx: 1470-1490 mm (depending on specific model variant - SXV vs RXV) Seat Height Approx: 900-930 mm...