This manual covers the 2012 models, renowned for their potent Italian V-twin engine character and distinctive styling. These high-performance motorcycles, featuring a 90-degree V-twin liquid-cooled engine and a chromoly steel trellis frame, were developed from extensive racing experience. Offering a unique blend of Supermoto and Enduro capabilities, the lines are equipped with high-specification, fully adjustable suspension and powerful hydraulic disc brakes. Their design prioritizes rider control and stability, making them a compelling choice for enthusiasts seeking a performance-oriented off-road experience. This comprehensive Factory Service Repair Manual provides detailed instructions for the complete service, repair, maintenance, and troubleshooting of the 450, 550, 450, and 550. It covers all essential systems, including engine mechanicals, fuel and ignition systems, transmission, electrical systems, brakes, suspension, frame, and bodywork. With in-depth procedures for routine maintenance, component overhaul, and advanced diagnostics, this manual serves as an indispensable resource for owners, mechanics, and technicians to ensure optimal performance and longevity of their motorcycles. 🏷️ Basic Information Identification Make: Aprilia Model: SXV RXV Year: 2012 Codes Engine Codes: V990 (450cc & 550cc variants) Generation Model Generation: Second Generation (facelifted models) 👋 Introduction Market Position Category: High-performance V-twin off-road motorcycles (Supermoto and Enduro variants) Target Audience: Enthusiast owners, independent motorcycle repair shops, professional technicians Competitive Analysis Key Competitors: KTM EXC/SMC series, Husqvarna SM/TE series, Husaberg FE/FS series Aprilia Advantage: Unique Italian V-twin engine character, distinctive styling, high-spec components Key Features Engine Configuration: 90-degree V-twin, liquid-cooled Frame Design: Chromoly steel trellis frame Suspension: High-quality, fully adjustable USD front forks and monoshock rear suspension 📋 Manual Details Coverage Areas Primary Coverage: Complete service, repair, maintenance, diagnostics, and troubleshooting for Aprilia SXV and RXV models Specific Models Covered: Aprilia SXV 450, Aprilia SXV 550, Aprilia RXV 450, Aprilia RXV 550 Additional Coverage: Electrical systems, chassis components, bodywork, accessories Page Count Total Pages: Hundreds (Specific number not provided in product info, but implied to be comprehensive) Manual Type Type: Factory Service Repair Manual Synonymous Terms: Workshop Manual, Repair Manual, Technical Manual Language Primary Language: English Format Delivery Method: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Engine disassembly, assembly, overhaul, top-end components, bottom-end components, cooling system, lubrication system Fuel System: Fuel injection system (EFI), fuel pump, injectors, sensors, fuel tank, fuel lines Ignition System: Ignition coils, spark plugs, ignition control module (ECU mapping details likely included) Transmission: Clutch system, gearbox inspection, disassembly, assembly, lubrication, shift mechanism Electrical System: Wiring diagrams, battery, charging system, starting system, lighting, instrumentation, ECU diagnostics Braking System: Front and rear brake calipers, master cylinders, brake lines, brake fluid replacement, bleeding procedures, component inspection Suspension System: Front forks (upside-down), rear shock absorber, linkages, seals, oil levels, adjustments, spring rates Frame And Bodywork: Frame inspection, subframe, body panels, fairings, seat, fuel tank mounting, ergonomics Wheels And Tires: Wheel bearings, tire pressure, tire replacement, spoke tension (if applicable for off-road variants) Exhaust System: Exhaust headers, mufflers, mounting hardware, sealing Procedures Included Routine Maintenance: Oil changes, filter replacements, spark plug checks, chain adjustment, brake fluid checks Troubleshooting: Diagnostic flowcharts, fault code interpretation, common problem identification and solutions Component Overhaul: Complete engine rebuild, gearbox rebuild, suspension fork rebuild, brake system overhaul Inspection: Pre-ride inspections, periodic technical inspections, component wear analysis Adjustment: Carburetor (if applicable to earlier models or specific variants), suspension settings, clutch lever play, throttle cable Electrical Diagnostics: Testing sensors, actuators, wiring continuity, voltage checks Wheel Alignment: Steering head bearing adjustment, swingarm pivot inspection Technical Depth Depth: Comprehensive (from basic maintenance to complete engine and chassis teardown/rebuild) Diagnostic Level: Advanced diagnostic procedures and troubleshooting guides Rebuild Procedures: Detailed step-by-step instructions for all major component rebuilds Torque Specifications: All critical torque values for fasteners and engine components Clearances: Valve clearances, bearing clearances, piston-to-cylinder wall clearances 📊 Manual Specifications File Format Format: PDF (Portable Document Format) Searchability: Searchable text content for quick information retrieval Print Quality Printability: Printable in its entirety or specific sections Binding Type Digital Binding: N/A (Digital PDF format) Paper Type Digital Paper: N/A (Digital PDF format, designed for digital viewing and printing) ⚙️ Engine Specifications Primary Engine Type: Four-stroke, liquid-cooled, 90-degree V-twin Bore X Stroke 450: 68 mm x 60.4 mm (approx.) Bore X Stroke 550: 72 mm x 64 mm (approx.) Displacement 450: 449.9 cc Displacement 550: 549.9 cc Valve Train: DOHC, 4 valves per cylinder Performance Horsepower 450: ~65 HP (claimed, varies by tuning/variant) Horsepower 550: ~75 HP (claimed, varies by tuning/variant) Torque 450: ~49 Nm (claimed, varies by tuning/variant) Torque 550: ~57 Nm (claimed, varies by tuning/variant) Fuel System Induction: Electronic Fuel Injection (EFI) - Keihin or similar system Fuel Type: Unleaded gasoline (91+ octane recommended) Fuel Tank Capacity: Approx. 7.2 Liters (1.9 US gallons) 🔧 Transmission Standard Type: 6-speed sequential gearbox Optional Availability: N/A (Standard configuration) Features Clutch Type: Wet multi-plate clutch Final Drive: Chain drive Gear Ratios: Specific ratios detailed within the manual Transmission Fluid...