🏷️ Basic Information Identification Make: Aprilia Model: SXV/RXV Model Variants: SXV 450, SXV 550, RXV 450, RXV 550 Generation Covered Years Start: 2006 Covered Years End: Onwards Codes Vin Code Prefix: ZAC2C 👋 Introduction Market Position Segment: High-performance off-road motorcycles (supermoto/motocross). Target User: Enthusiasts, mechanics, and owners seeking to maintain and repair their Aprilia SXV/RXV. Competitive Analysis Competitors: KTM EXC/SX, Husqvarna TE/TC, Yamaha WR/YZF, Honda CRF, Suzuki RM-Z. Key Features Unique Selling Proposition: Focus on V-twin engine performance and premium Italian engineering. Manual Benefit: Empowers users with the knowledge to perform detailed maintenance and repairs, saving time and money. 📋 Manual Details Coverage Areas Engine: Complete coverage including diagnosis, repair, and overhaul. Transmission: Clutch, gearbox, final drive (chain/sprockets). Chassis: Frame, suspension (front/rear), steering, wheels, brakes. Electrical System: Ignition, lighting, starting system, charging system, wiring diagrams. Bodywork: Fairings, seat, fuel tank, fenders. Fuel System: Fuel tank, fuel pump, injectors, ECU mapping. Cooling System: Radiator, coolant hoses, fan. Exhaust System: Exhaust manifold, muffler, catalytic converter (if applicable). Maintenance: Scheduled maintenance, lubrication, fluid changes. Troubleshooting: Diagnostic procedures for common and uncommon issues. Technical Data: Torque specifications, tolerances, specifications for all components. Wiring Diagrams: Detailed electrical system schematics. Page Count Estimated Pages: Likely 300-500+ pages based on scope. Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: Digital Download (PDF) 📖 Manual Coverage Systems Covered Engine Management: ECU, fuel injection, ignition timing, sensor diagnostics. Powertrain: Engine rebuild, clutch assembly, gearbox disassembly/assembly, final drive. Suspension Steering: Fork servicing, rear shock absorber overhaul, steering head bearing replacement. Braking System: Hydraulic system, caliper maintenance, disc replacement, bleeding procedures. Electrical Components: Battery, alternator, starter motor, lighting circuits, instrument cluster. Procedures Included Engine Overhaul: Piston, cylinder, valve train, crankshaft, oil pump. Fuel Injection Service: Injector cleaning, fuel pressure testing, sensor calibration. Suspension Tuning: Adjusting damping and preload settings. Brake Pad Replacement: Step-by-step guide for front and rear brakes. Chain Adjustment Replacement: Proper tensioning and replacement of drive chain and sprockets. Diagnostic Fault Finding: Troubleshooting flowcharts for various symptoms. Technical Depth Depth: Comprehensive from basic maintenance to complete engine and component rebuilds. Diagnostic Level: Advanced diagnostics, including electrical system troubleshooting. Repair Scope: Complete repair procedures for all listed systems. 📊 Manual Specifications File Format File Type: PDF Searchability: Text-searchable PDF for quick information retrieval. Print Quality Image Resolution: High-resolution images and diagrams. Diagram Clarity: Clear, detailed diagrams for assembly and disassembly. Binding Type Binding: N/A (Digital) Paper Type Paper: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Type: V-Twin, Four-stroke Displacement 450: 449cc Displacement 550: 549cc Bore Stroke 450: 80mm x 89.4mm Bore Stroke 550: 84mm x 90mm Compression Ratio 450: Approximately 11.5:1 Compression Ratio 550: Approximately 11.7:1 Valve Train: DOHC, 4 valves per cylinder Cooling System: Liquid-cooled Performance Horsepower 450: Approx. 60-65 HP (depending on tune/spec) Horsepower 550: Approx. 65-70+ HP (depending on tune/spec) Torque 450: Approx. 45-50 Nm Torque 550: Approx. 50-55 Nm Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) Fuel Type: Unleaded gasoline (95 RON minimum recommended) Lubrication Oil Type: SAE 10W-50, JASO MA certified motorcycle oil Oil Capacity With Filter: Approx. 1.8 - 2.0 Liters (check manual for exact spec) 🔧 Transmission Standard Transmission Type: 6-speed sequential manual Clutch Type: Wet multi-plate clutch, hydraulic activation Optional Optional Gear Ratios: Varies by model year and region (covered in manual). Features Final Drive: O-ring sealed chain, sprocket drive Transmission Oil Type: SAE 75W-90 GL-4 or GL-5 gear oil (check manual for specific grade). 📐 Dimensions Exterior Wheelbase: Approx. 1470mm - 1500mm (varies by model) Seat Height: Approx. 900mm - 920mm (varies by model) Weights Dry Weight 450: Approx. 126 kg Dry Weight 550: Approx. 130 kg Fuel Tank Capacity: Approx. 7.0 Liters 🛡️ Safety Features Ratings Safety Certification: CE Compliant, EPA Certified (where applicable). Active Features Braking System: Hydraulic disc brakes, front and rear (brand specific calipers e.g., Brembo or Grimeca). Suspension Performance: High-quality adjustable suspension for optimal control and stability. Passive Features Frame Construction: High-strength steel or aluminum alloy trellis frame for rigidity. 💡 Technology Features Infotainment Infotainment System: N/A (Performance off-road motorcycle, focus is on core mechanicals) Driver Assistance Traction Control: Not typically equipped on standard models of this era; manual focuses on mechanical systems. Engine Management Tech ECU Mapping: ECU controls fuel injection and ignition timing; manual details diagnostic access. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000-5,000 km or annually (refer to manual for specific mileage). Spark Plug Replacement: Every 6,000-10,000 km (refer to manual for exact spec). Air Filter Cleaning: Every 2,000-4,000 km or as needed based on conditions. Fluid Specifications Coolant Type: Ethylene glycol-based antifreeze with corrosion inhibitors. Brake Fluid Type: DOT 4 hydraulic brake fluid. Known Issues Engine Vibration: Can experience increased vibration at certain RPM ranges. Electrical Gremlins: Some owners report intermittent electrical issues, often related to connectors or grounds. Manual is crucial for diagnosis....