🏷️ Basic Information Identification Make: Aprilia Model: SXV 450/550 Model Variant: RXV 450/550 Year: 2013 Codes Engine Code 450: V990 (derived, actual SXV designation might differ but based on V-twin architecture) Engine Code 550: V990 (derived, actual SXV designation might differ but based on V-twin architecture) 👋 Introduction Market Position Vehicle Type: High-performance Supermoto/Motocross hybrid motorcycle. Target Audience: Enthusiasts, racers, mechanics working on Aprilia SXV/RXV models. Competitive Analysis Competitors: KTM EXC/SMR, Husqvarna SMR/TE, GasGas SM/EC. Key Features Design Philosophy: V-twin engine in a lightweight chassis, bridging road legality with off-road capability. Unique Selling Points: Powerful V-twin engine, advanced chassis geometry, premium suspension components. 📋 Manual Details Coverage Areas Manual Type: Full Service Repair Manual Language: English Format: Digital (likely PDF) Page Count Estimate: Comprehensive (exact count not provided, but described as 'very detailed') 📖 Manual Coverage Systems Covered Engine Mechanical: Engine overhaul, piston, rings, valves, camshafts, crankshaft, cylinder head, cooling system, lubrication system. Fuel System: Fuel injection system, throttle body, fuel pump, injectors, fuel pressure regulator. Ignition System: Ignition coils, spark plugs, ECU control. Transmission: Clutch operation, gearbox components, gear selection, maintenance, and repair. Chassis And Frame: Frame inspection, alignment, welding procedures (if applicable). Suspension: Front forks (Marzocchi or similar), rear shock absorber (Sachs or similar), linkage, bearings, adjustments, and overhaul. Brakes: Brake system diagnosis, caliper overhaul, master cylinder service, bleeding procedures, pad and rotor replacement. Electrical System: Wiring diagrams, starter motor, battery, alternator, lighting, fuses, relays, ECU diagnostics. Exhaust System: Exhaust manifold, muffler, catalytic converter (if applicable), lambda sensor. Cooling System: Radiator, hoses, thermostat, water pump, coolant specifications. Bodywork And Trim: Fairings, seat, fuel tank, fenders, mounting hardware. Procedures Included Routine Maintenance: Oil changes, filter replacements, chain adjustment, spark plug replacement, air filter cleaning/replacement. Troubleshooting: Diagnostic charts, common problems and solutions, error code interpretation. Component Repair: Detailed step-by-step instructions for disassembling, inspecting, repairing, and reassembling all major vehicle components. Rebuilding Procedures: Comprehensive guides for engine and gearbox rebuilds. Wiring Diagrams: Complete electrical system schematics for fault finding and repairs. Torque Specifications: Precise torque values for all critical fasteners. Fluid Capacities: Correct fluid types and capacities for engine oil, coolant, brake fluid, transmission oil. Technical Depth Depth Level: Complete workshop level, covering everything from basic checks to full engine and transmission rebuilds. Diagnostic Capabilities: Advanced diagnostic procedures for engine management and electrical systems. 📊 Manual Specifications File Format File Type: PDF Searchable Text: Likely searchable (standard for quality digital manuals). Print Quality: High resolution for clear diagrams and text. Binding Type: N/A (Digital) Paper Type: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Type: Four-stroke, V-twin (90-degree) Displacement 450: 449 cc Displacement 550: 549 cc Bore X Stroke 450: Approx. 78 mm x 52.3 mm (typical for this engine family) Bore X Stroke 550: Approx. 85 mm x 102 mm (typical for this engine family) Valve Train: DOHC, 4 valves per cylinder Cooling System: Liquid-cooled Performance Horsepower 450 Est: Approx. 50-55 hp Horsepower 550 Est: Approx. 60-65 hp Torque 450 Est: Approx. 30-33 lb-ft Torque 550 Est: Approx. 36-40 lb-ft Fuel System Fuel Delivery: Electronic Fuel Injection (EFI), Keihin or similar Fuel Type: Unleaded gasoline, minimum 91 octane (RON+MON)/2 Ignition System: Electronic ignition, dual spark plugs per cylinder 🔧 Transmission Standard Transmission Type: 6-speed sequential manual Clutch Type: Wet multi-plate, hydraulic actuation Optional Optional Gear Ratios: Not typically offered, custom racing options may exist. Features Final Drive: Chain drive 📐 Dimensions Exterior Wheelbase: Approx. 1460-1490 mm (varies slightly by model year/variant) Seat Height: Approx. 900-910 mm Weights Dry Weight 450: Approx. 120-125 kg Dry Weight 550: Approx. 125-130 kg Fuel Tank Capacity: Approx. 7-8 Liters 🛡️ Safety Features Ratings Safety Certification: ECE, DOT (for street-legal versions, if applicable). Performance-oriented, not crash-test rated like cars. Active Features Braking System: Hydraulic disc brakes front and rear, typically with performance calipers (e.g., Brembo). Tire Specifications: Supermoto or mixed-terrain tires, front typically 17-inch, rear typically 17-inch. Passive Features Frame Construction: Chromoly steel or aluminum trellis frame for rigidity and light weight. 💡 Technology Features Infotainment Instrumentation: Digital or analog/digital combination instrument cluster showing speed, RPM, odometer, trip meter, fuel level, etc. Driver Assistance Traction Control: Not typically standard on this model, may be present on specific racing variants. ABS: Not standard on most SXV/RXV models of this era; ABS was an option or introduced on later iterations. Connectivity Diagnostic Ports: On-board diagnostics (OBD) port for electronic fault diagnosis. 🔧 Maintenance Service Intervals Engine Oil Change: Every 3,000-5,000 km or annually, whichever comes first (refer to manual for exact spec). Air Filter Cleaning: Every 1,000-2,000 km, depending on riding conditions. Spark Plug Replacement: Every 6,000-10,000 km, depending on plug type. Chain And Sprocket Inspection: Regularly (e.g., every 500 km), adjust tension as needed. Fluid Specifications Engine Oil Type: High-quality synthetic motorcycle oil, API SG or higher, JASO MA/MA2, viscosity typically 10W-40 or 15W-50 (verify in...