Positioning:
        
        
            High-performance off-road (Supermoto and Enduro variants) motorcycles targeting experienced riders.
        
     
    
    
        
            Competitors 2006:
        
        
            KTM EXC/SXC series, Husqvarna SM/TE series, Yamaha WR/YZF series, Honda CRF/CRFX series, Suzuki RM-Z/DR-Z series.
        
     
    
    
        
            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.
        
     
    
    
        
            Value:
        
        
            Essential resource for maintaining and repairing these enthusiast-focused machines, ensuring longevity and optimal performance.
        
     
 
    
    
    
        
            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:
        
        
            Extensive (Specific page count not provided, but described as 'full service and repair instruction')
        
     
    
    
        
            Manual Type:
        
        
            Service Repair Workshop Manual
        
     
    
    
    
    
 
    
    
    
        
            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
        
     
    
    
        
            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
        
     
    
    
        
            Depth:
        
        
            Comprehensive: Covers from basic maintenance to full engine rebuilds and complex electrical diagnostics.
        
     
 
    
    
    
        
            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
        
     
    
    
        
            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 Delivery 2006:
        
        
            Carburetor(s) - likely Keihin FCR units
        
     
    
        
            Fuel Type:
        
        
            Unleaded gasoline, minimum 95 octane (RON)
        
     
 
    
    
    
        
            Safety Rating:
        
        
            N/A (Off-road motorcycles are not typically rated by crash safety organizations)
        
     
    
    
        
            Braking System:
        
        
            Hydraulic disc brakes front and rear (e.g., Brembo calipers common)
        
     
    
        
            Suspension Damping:
        
        
            Adjustable suspension for enhanced stability and control.
        
     
    
    
        
            Frame Integrity:
        
        
            Robust trellis frame for rider protection and chassis rigidity.
        
     
 
    
    
    
        
            Infotainment System:
        
        
            N/A (Basic instrumentation only - speedometer, tachometer, warning lights)
        
     
    
    
        
            Driver Assistance Features:
        
        
            N/A
        
     
    
    
        
            Connectivity Features:
        
        
            N/A
        
     
    
    
        
            Engine Management System:
        
        
            Basic CDI ignition and carburetor control for 2006 models.
        
     
 
    
    
    
        
            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).
        
     
    
    
        
            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 manual for exact dry/wet fill amounts).
        
     
    
        
            Coolant Type:
        
        
            Ethylene glycol-based coolant, 50/50 mix with distilled water (e.g., Motul Motocool Expert).
        
     
    
    
        
            Gear Oil Type:
        
        
            SAE 75W/90 or 80W/90 GL-4 or GL-5 (refer to manual for specific gearbox requirements).
        
     
    
    
        
            Common Wear Items:
        
        
            Clutch plates, valve stem seals, fork seals, wheel bearings, steering head bearings.
        
     
    
        
            Potential Faults:
        
        
            Overheating if cooling system is neglected, potential issues with carburetor synchronization, electrical gremlins if wiring is compromised.
        
     
    
    
        
            Importance:
        
        
            Strict adherence to the maintenance schedule is critical due to the high-strung nature of the V-Twin engine and performance components.
        
     
 
    
    
    
        
            Heritage:
        
        
            Aprilia has a strong racing heritage, particularly in Grand Prix motorcycle racing, and is known for producing performance-oriented and technologically advanced motorcycles.
        
     
    
    
        
            Platform Introduction:
        
        
            The SXV/RXV platform was a significant development for Aprilia, introducing their unique V-Twin engine into the high-performance supermoto and enduro segments. It was innovative for its time.
        
     
    
        
            Key Innovations:
        
        
            Compact V-twin engine in a lightweight chassis, offering superior torque and a distinctive power delivery compared to single-cylinder competitors.
        
     
    
    
        
            Manufacturing Location:
        
        
            Italy
        
     
 
    
    
    
        
            Award Type:
        
        
            N/A (Specific industry awards for this model in 2006 not readily documented)
        
     
    
    
        
            Performance Magazine Ratings:
        
        
            Often lauded by performance motorcycle publications for its unique V-Twin power delivery and chassis dynamics in the supermoto and enduro categories.
        
     
    
    
        
            Certification:
        
        
            Designed to meet relevant emissions and noise regulations for its intended market at the time of production.