Engine:
        
        
            Complete disassembly, inspection, repair, and reassembly of 450cc and 550cc V-twin engines.
        
     
    
        
            Fuel System:
        
        
            Fuel injection system (throttle bodies, injectors, fuel pump, pressure regulator), fuel lines, and tank.
        
     
    
        
            Ignition System:
        
        
            Ignition coils, spark plugs, ECU, wiring diagrams.
        
     
    
        
            Cooling System:
        
        
            Radiator, cooling fan, water pump, coolant hoses, thermostat.
        
     
    
        
            Exhaust System:
        
        
            Exhaust headers, catalytic converter (if applicable), mufflers, lambda sensors.
        
     
    
        
            Transmission:
        
        
            Gearbox (clutch, gears, bearings, shifting mechanism), chain drive, sprockets.
        
     
    
        
            Frame And Suspension:
        
        
            Frame inspection and repair, front fork (internal components, adjustments), rear shock absorber, swingarm, linkage system.
        
     
    
        
            Wheels And Tires:
        
        
            Wheel bearing replacement, tire fitting and balancing, rim specifications.
        
     
    
        
            Braking System:
        
        
            Front and rear brake calipers, master cylinders, brake lines, fluid bleeding procedures, disc specifications.
        
     
    
        
            Electrical System:
        
        
            Battery, charging system (alternator, regulator/rectifier), starter motor, lighting, fuses, relays, wiring diagrams for all circuits.
        
     
    
        
            Bodywork And Trim:
        
        
            Fairing removal and installation, seat, fuel tank cover, fenders, graphics.
        
     
    
        
            Controls:
        
        
            Handlebar, levers (clutch, brake), footpegs, throttle control, shift lever.
        
     
    
    
        
            Maintenance:
        
        
            Routine checks, lubrication, filter replacement, spark plug replacement, chain adjustment, oil changes.
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic procedures for common and uncommon faults, fault code interpretation (if applicable).
        
     
    
        
            Repair:
        
        
            Step-by-step repair instructions for all major and minor components.
        
     
    
        
            Disassembly Reassembly:
        
        
            Detailed guides for complete component and vehicle teardown and rebuild.
        
     
    
        
            Torque Specifications:
        
        
            Precise torque values for all critical fasteners and components.
        
     
    
    
        
            Depth Of Information:
        
        
            Comprehensive, from basic checks to full engine rebuilds and electrical system diagnostics.
        
     
 
    
    
    
        
            File Format Detail:
        
        
            Digital PDF, allows for searching and selective printing.
        
     
    
    
        
            Print Quality Recommendation:
        
        
            High resolution for clear diagrams and text; printable for workshop use.
        
     
    
    
        
            Binding Type For Print:
        
        
            Spiral-bound or three-ring binder recommended for lay-flat use.
        
     
    
    
        
            Paper Type For Print:
        
        
            Heavy-duty, laminated paper recommended for durability in a workshop environment.
        
     
 
    
    
    
        
            Engine Type:
        
        
            Four-stroke, V-twin, liquid-cooled
        
     
    
        
            Displacement 450:
        
        
            449.8 cc
        
     
    
        
            Displacement 550:
        
        
            549.4 cc
        
     
    
        
            Bore Stroke 450:
        
        
            84 mm x 81 mm
        
     
    
        
            Bore Stroke 550:
        
        
            95 mm x 76.5 mm
        
     
    
        
            Compression Ratio:
        
        
            Approx. 12.5:1 (Varies slightly by model variant)
        
     
    
        
            Valvetrain:
        
        
            DOHC, 4 valves per cylinder
        
     
    
    
        
            Horsepower 450 Approx:
        
        
            Approx. 60-65 HP (at crankshaft)
        
     
    
        
            Horsepower 550 Approx:
        
        
            Approx. 65-70 HP (at crankshaft)
        
     
    
        
            Torque 450 Approx:
        
        
            Approx. 45-50 Nm (at crankshaft)
        
     
    
        
            Torque 550 Approx:
        
        
            Approx. 55-60 Nm (at crankshaft)
        
     
    
    
        
            Fuel Delivery:
        
        
            Electronic Fuel Injection (EFI) - Keihin throttle bodies
        
     
    
        
            Fuel Type:
        
        
            Unleaded gasoline, minimum 95 octane recommended
        
     
 
    
    
    
        
            Safety Rating Context:
        
        
            As a performance motorcycle, formal crash safety ratings like automobiles are not applicable. Focus is on rider active safety systems.
        
     
    
    
        
            Braking System:
        
        
            High-performance hydraulic disc brakes, often with radial-mount calipers.
        
     
    
        
            Suspension:
        
        
            Fully adjustable USD front forks and adjustable rear monoshock for optimal handling and road holding.
        
     
    
    
        
            Frame Design:
        
        
            Trellis frame and high-quality suspension components contribute to stability and control.
        
     
 
    
    
    
        
            Infotainment System:
        
        
            Not applicable for this performance-oriented model; focus is on mechanical and electronic systems.
        
     
    
    
        
            Driver Assistance Features:
        
        
            No electronic rider aids like ABS or traction control are standard on this model. Rider skill is paramount.
        
     
    
    
        
            Connectivity Features:
        
        
            Not applicable.
        
     
    
    
        
            ECU:
        
        
            Engine Control Unit (ECU) manages fuel injection and ignition timing.
        
     
    
        
            Instrumentation:
        
        
            Digital instrument cluster displaying speed, RPM, odometer, trip meters, and warning lights.
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Typically every 3,000 - 5,000 km (1,800 - 3,000 miles) or annually, refer to manual for exact schedule.
        
     
    
        
            Air Filter Cleaning:
        
        
            Inspect every 1,000 km (600 miles), clean or replace as needed based on conditions.
        
     
    
        
            Spark Plug Replacement:
        
        
            Recommended every 6,000 - 10,000 km (3,700 - 6,200 miles).
        
     
    
        
            Chain Adjustment Lubrication:
        
        
            Check tension and lubricate every 500 km (300 miles) or after riding in wet conditions.
        
     
    
    
        
            Engine Oil Type:
        
        
            API SG or higher, JASO MA certified, SAE 10W-40 synthetic motorcycle oil recommended.
        
     
    
        
            Engine Oil Capacity:
        
        
            Approx. 1.7 Liters (1.8 US qt) with filter change.
        
     
    
        
            Coolant Type:
        
        
            Ethylene glycol-based antifreeze mixture with de-ionized water (50/50 ratio).
        
     
    
        
            Brake Fluid Type:
        
        
            DOT 4 or DOT 5.1 hydraulic brake fluid.
        
     
    
    
        
            Common Wear Items:
        
        
            Clutch plates, wheel bearings, fork seals, fuel pump components can be wear items requiring diligent maintenance.
        
     
    
        
            Engine Heat Management:
        
        
            V-twin engines can run warm; ensuring cooling system is in perfect condition is crucial.
        
     
    
        
            Electrical Connections:
        
        
            Corrosion or loose connections on high-vibration motorcycles can lead to intermittent electrical issues; regular inspection recommended.
        
     
 
    
    
    
        
            Manufacturer Origin:
        
        
            Aprilia is an Italian manufacturer with a strong heritage in motorcycle racing, particularly in Grand Prix and off-road disciplines.
        
     
    
    
        
            Sxv Rxv Lineage:
        
        
            The SXV/RXV line represented Aprilia's foray into the high-performance supermoto and dual-sport segments, utilizing their powerful V-twin engine technology.
        
     
    
    
        
            Production Period General:
        
        
            SXV/RXV models were produced through various iterations from the mid-2000s into the early 2010s.