🏷️ Basic Information Identification Make: Aprilia Model: SXV/RXV 450/550 Model Variant: SXV 450, SXV 550, RXV 450, RXV 550 Year: 2006 Codes Engine Code 450: V990 (450cc variant) Engine Code 550: V990 (550cc variant) Generation Generation: First Generation (SXV/RXV platform) 👋 Introduction Market Position Positioning: High-performance off-road (Supermoto and Enduro variants) motorcycles targeting experienced riders. Competitive Analysis Competitors 2006: KTM EXC/SXC series, Husqvarna SM/TE series, Yamaha WR/YZF series, Honda CRF/CRFX series, Suzuki RM-Z/DR-Z series. Key Features Engine Type: Compact V-Twin engine, offering a unique power delivery for the class. Chassis Design: Lightweight and agile chassis optimized for aggressive riding. Suspension Performance: High-quality, adjustable suspension components for superior handling and terrain adaptation. Manual Value Proposition Value: Essential resource for maintaining and repairing these enthusiast-focused machines, ensuring longevity and optimal performance. 📋 Manual Details Coverage Areas Engines Covered: 450cc and 550cc V-Twin engines Models Covered: SXV450, SXV550, RXV450, RXV550 Model Years Covered: Primarily 2006, with potential relevance to adjacent years of the same platform Page Count Page Count: Extensive (Specific page count not provided, but described as 'full service and repair instruction') Manual Type Manual Type: Service Repair Workshop Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Engine overhaul, top-end rebuild, bottom-end assembly, piston and ring installation, valve train servicing, timing procedures Fuel System: Carburetor (or fuel injection on later models, but 2006 likely carb) overhaul and adjustment, fuel pump testing, fuel filter replacement Ignition System: Ignition coil testing, spark plug specifications, CDI unit troubleshooting Cooling System: Radiator and fan maintenance, coolant flush and fill, water pump inspection and replacement Exhaust System: Exhaust component inspection, gasket replacement Transmission: Clutch inspection and replacement, gearbox disassembly and reassembly, gear oil specifications Suspension: Front fork servicing (oil change, seal replacement), rear shock absorber maintenance and adjustment, linkage bearing inspection Brakes: Brake caliper overhaul, hydraulic system bleeding, brake pad and rotor replacement, master cylinder servicing Electrical System: Wiring diagrams, stator and alternator testing, battery maintenance, lighting system troubleshooting, starter motor inspection Chassis And Bodywork: Frame inspection, body panel removal and installation, seat and tank mounting Procedures Included Maintenance Tasks: Routine servicing, oil changes, filter replacements, chain adjustment, spark plug replacement, valve clearance checks Repair Procedures: Detailed step-by-step instructions for component removal, repair, and reinstallation Troubleshooting: Diagnostic charts and procedures for identifying and resolving common and uncommon faults Torque Specifications: Essential torque values for critical fasteners Special Tools: Identification of any special tools required for specific procedures Technical Depth Depth: Comprehensive: Covers from basic maintenance to full engine rebuilds and complex electrical diagnostics. 📊 Manual Specifications File Format File Format: PDF Searchability: Likely text-searchable PDF (standard for quality manuals) Print Quality Print Quality: High-resolution scans suitable for printing clear diagrams and text Binding Type Binding Type: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Type: Liquid-cooled, four-stroke, V-Twin Displacement 450: Approx. 449cc Displacement 550: Approx. 549cc Bore X Stroke 450: Approx. 77mm x 48mm (estimated, may vary slightly) Bore X Stroke 550: Approx. 82mm x 52.7mm (estimated, may vary slightly) Compression Ratio: Typically around 12.5:1 to 13.5:1 (check manual for specific) Valvetrain: SOHC, 4 valves per cylinder Performance Horsepower 450: Approx. 50-55 HP (at crankshaft, estimated) Horsepower 550: Approx. 58-62 HP (at crankshaft, estimated) Torque 450: Approx. 40-44 Nm (at crankshaft, estimated) Torque 550: Approx. 48-52 Nm (at crankshaft, estimated) Fuel System Fuel Delivery 2006: Carburetor(s) - likely Keihin FCR units Fuel Type: Unleaded gasoline, minimum 95 octane (RON) 🔧 Transmission Standard Transmission Type: 6-speed manual Optional Optional Gearbox: N/A for 2006 model year Features Clutch Type: Wet, multi-plate, hydraulic actuation Final Drive: Chain drive 📐 Dimensions Exterior Frame Type: Steel trellis frame Weights Dry Weight Approx 450: Approx. 120-125 kg Dry Weight Approx 550: Approx. 125-130 kg Fuel Tank Capacity: Approx. 7-9 liters (check manual for specific) 🛡️ Safety Features Ratings Safety Rating: N/A (Off-road motorcycles are not typically rated by crash safety organizations) Active Features Braking System: Hydraulic disc brakes front and rear (e.g., Brembo calipers common) Suspension Damping: Adjustable suspension for enhanced stability and control. Passive Features Frame Integrity: Robust trellis frame for rider protection and chassis rigidity. 💡 Technology Features Infotainment Infotainment System: N/A (Basic instrumentation only - speedometer, tachometer, warning lights) Driver Assistance Driver Assistance Features: N/A Connectivity Connectivity Features: N/A Engine Management Engine Management System: Basic CDI ignition and carburetor control for 2006 models. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 1,500-3,000 km or annually (refer to manual for exact mileage/time recommendations). Valve Clearance Check: Recommended every 5,000-7,500 km (crucial for performance and longevity). Chain Lubrication Adjustment: Frequent (every 500-1000 km, or after heavy riding/washing). Fluid Specifications Engine Oil Type: SAE 10W-40, API SG or higher, JASO MA certified (e.g., Motul 5100, Castrol Power 1). Engine Oil Capacity: Approx. 1.5 - 1.8 liters (check...