This manual covers the models from the 2008 model year, including the 450, 550, 450, and 550. These high-performance motorcycles are designed for enthusiasts seeking a blend of off-road capability and supermoto performance, powered by potent V-twin engines. The heritage in racing and performance engineering is evident in these models, which were positioned against competitors like KTM and Husqvarna in the dual-sport and supermoto segments. The line is characterized by its aggressive styling and the unique appeal of its powerful V-twin engine configuration, offering a distinct riding experience. This comprehensive Factory Service Repair Manual provides detailed information essential for the maintenance and repair of your. It covers all major systems, including engine mechanicals, fuel injection, transmission, chassis, suspension, brakes, and electrical systems. Within its hundreds of pages, you will find step-by-step instructions for routine maintenance, engine overhauls, suspension service, electrical diagnostics, and troubleshooting common issues. This manual is an indispensable resource for owners, mechanics, and technicians aiming to preserve the performance and reliability of these specialized motorcycles. 🏷️ Basic Information Identification Make: Aprilia Model: SXV/RXV Year: 2008 Codes Chassis Code: APRC SM Series (SXV) / APRC MX Series (RXV) 👋 Introduction Market Position Segment: High-performance dual-sport / supermoto motorcycles. Target Audience: Enthusiast riders, mechanics, Aprilia owners seeking in-depth repair and maintenance information. Competitive Analysis Competitors 2008: KTM (e.g., 690 SMC), Husqvarna (e.g., SMR series), Ducati Hypermotard. Key Features Vehicle Focus: Off-road prowess (RXV) and street legality/supermoto capability (SXV) with powerful V-twin engines. Manual Value Proposition: Official factory data ensures accuracy for complex V-twin engine and sophisticated chassis repairs. 📋 Manual Details Coverage Areas Primary Models Covered: Aprilia SXV 450, Aprilia SXV 550, Aprilia RXV 450, Aprilia RXV 550 Page Count Estimated Pages: Hundreds (specific number not provided in product info, but described as 'complete' and 'hundreds of pages') Manual Type Type: Factory Service Repair Manual Language Language: English (assumed based on typical availability and product description, though not explicitly stated) Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Complete overhaul, piston, rings, valves, camshafts, crankshaft, connecting rods, lubrication system, cooling system. Engine Management: Fuel injection system (EFI), ignition system, sensors (TPS, MAP, IAT, O2), ECU diagnostics, wiring diagrams. Transmission: Gearbox disassembly, inspection, repair, clutch system (wet multi-plate), gear selector mechanism. Chassis Frame: Frame inspection, subframe, steering head bearings, swingarm, linkage system (if applicable). Suspension: Front fork (upside-down) disassembly, rebuilding, adjustments; Rear shock absorber inspection, service, linkage maintenance. Brakes: Front and rear brake system service, caliper inspection, pad replacement, master cylinder, brake lines, bleeding procedures. Electrical System: Wiring diagrams, battery, starter motor, alternator, lighting (headlight, taillight, signals), horn, fuses, relays, ECU. Fuel System: Fuel tank, fuel pump, fuel filter, fuel lines, throttle body service. Exhaust System: Exhaust header pipes, muffler, heat shields, O2 sensor installation. Bodywork Trim: Fairings, fenders, seat, fuel tank cover, graphics removal/installation, plastics. Procedures Included Routine Maintenance: Oil and filter changes, air filter cleaning/replacement, chain adjustment and lubrication, spark plug inspection/replacement, brake fluid replacement. Troubleshooting: Diagnostic charts, common fault finding, error code interpretation (if applicable), performance issues. Engine Repair: Top-end rebuild, bottom-end rebuild, valve clearance adjustment, timing chain inspection/replacement. Suspension Service: Fork seal replacement, oil level and type specification, shock absorber service. Electrical Diagnostics: Wiring diagram interpretation, continuity testing, voltage checks, component testing. Wheel Tire Service: Tire mounting/dismounting, wheel balancing, spoke tensioning (if applicable). Technical Depth Depth: Comprehensive (from basic maintenance to complete engine and chassis rebuilds), detailed step-by-step instructions. 📊 Manual Specifications File Format File Type: PDF Print Quality Quality: High-resolution, designed for clear printing of diagrams and text. Binding Type Binding: N/A (Digital PDF Download) Paper Type Paper Type: N/A (Digital PDF Download) ⚙️ Engine Specifications Primary Engine Type: Four-stroke, V-twin (90-degree) Displacement 450: 449.8 cc Displacement 550: 549.4 cc Bore X Stroke 450: 72 mm x 54.3 mm (estimated) Bore X Stroke 550: 82 mm x 54.3 mm (estimated) Compression Ratio: 12.5:1 (typical for both variants) Valve Train: DOHC, 4 valves per cylinder Performance Horsepower 450: Approx. 57 HP (at crankshaft, model dependent) Horsepower 550: Approx. 65 HP (at crankshaft, model dependent) Torque 450: Approx. 46 Nm (at crankshaft, model dependent) Torque 550: Approx. 53 Nm (at crankshaft, model dependent) Fuel System Induction: Electronic Fuel Injection (EFI) with throttle body diameter typically 45mm. Fuel Type: Unleaded gasoline (RON 95 or higher recommended). 🔧 Transmission Standard Type: 6-speed constant mesh sequential gearbox. Optional Transmission Options: N/A (Single standard transmission type). Features Clutch: Hydraulically actuated, wet multi-plate clutch. 📐 Dimensions Exterior Saddle Height Approx: Approx. 910 mm (SXV) / 920 mm (RXV). Weights Dry Weight Approx 450: Approx. 135 kg. Dry Weight Approx 550: Approx. 138 kg. Fuel Tank Capacity: Approx. 7.4 Liters. 🛡️ Safety Features Ratings Crash Test Ratings: N/A (Motorcycle, typically not rated by automotive safety organizations). Active Features Braking System: Hydraulic disc brakes front and rear. Front: Dual discs, Rear: Single...