Sub Model Variants:
SXV 450, RXV 450, SXV 550, RXV 550
Chassis Codes:
APRC (implied for related models, specific chassis codes for 2012 SXV/RXV not readily available without the manual, but often designated by frame VIN
Engine Codes:
V990 (for 550), V450 (for 450 - likely a derived designation, specific Aprilia internal engine codes may vary)
Segment:
Supermoto / Dual-Sport Motorcycle
Target Audience:
Enthusiast owners, independent repair shops, technicians
Competitors:
KTM EXC/SMC, Husqvarna SM/TE, Yamaha WR/YZ, Suzuki DRZ, Honda CRF/XR, Kawasaki KLX/KLR
Performance Focus:
High-performance off-road and street-legal supermoto capabilities
Manual Utility:
Essential for maintaining and repairing Aprilia's complex V-twin engine platforms
Primary Coverage:
Service, Repair, Workshop
Scope:
Complete mechanical and electrical systems
Estimated Page Count:
Extensive (typical workshop manuals for this era and complexity range from 500-1500+ pages)
Type:
Workshop Service Repair Manual
Language:
English (standard for international mechanics, potential for other languages within the digital file)
Engine:
Engine assembly, disassembly, lubrication, cooling, fuel delivery, ignition, emissions control, starting, charging
Transmission:
Clutch system, gearbox (gear shifting mechanism, gears, bearings), final drive (chain, sprockets)
Chassis:
Frame, suspension (front forks, rear shock absorber, linkage), steering system, wheels, tires, braking system (hydraulic circuits, calipers, discs, master cylinders), footpegs, seat
Electrical:
Wiring diagrams, battery, lighting (headlight, taillight, indicators), instrumentation, ignition switch, starter motor, alternator, ECU (Engine Control Unit), sensor diagnostics
Bodywork:
Fairings, fuel tank, seat, fenders, exhaust system, controls (throttle, clutch lever, brake lever)
Maintenance:
Scheduled maintenance, oil changes, filter replacements, spark plug service, chain adjustment, brake pad replacement, fluid flushes
Troubleshooting:
Diagnostic procedures for common faults, error code interpretation (if applicable), electrical system checks, mechanical component testing
Repair:
Component disassembly, inspection, repair, and reassembly for all major vehicle systems
Special Tools:
Identification and usage of specialized tools required for specific repairs
Torquing:
Detailed torque specifications for all critical fasteners
Depth:
Comprehensive (covers everything from basic fluid checks to full engine rebuilds and electrical system diagnosis)
Diagnostics:
In-depth diagnostic procedures, including expected readings and fault identification
Rebuilds:
Full component rebuild procedures (engine, transmission, suspension, brakes)
Type:
V-twin, four-stroke
Displacement 450:
Approximately 450cc (exact figures may vary slightly based on internal Aprilia specifications)
Displacement 550:
Approximately 550cc (exact figures may vary slightly based on internal Aprilia specifications)
Bore X Stroke 550:
Approx. 84 x 50 mm (typical for V990 variants)
Bore X Stroke 450:
Derived from the 550, likely smaller bore or different stroke
Compression Ratio:
Typically high, around 12.0:1 to 13.5:1 for performance V-twins of this era
Valve Train:
DOHC, 4 valves per cylinder
Cooling System:
Liquid-cooled
Horsepower 550:
Estimated 50-60+ HP (stock, depending on emissions and tuning)
Torque 550:
Estimated 40-50+ lb-ft (stock)
Horsepower 450:
Estimated 40-50+ HP (stock)
Torque 450:
Estimated 30-40+ lb-ft (stock)
Induction:
Electronic Fuel Injection (EFI), likely Marelli or Keihin system
Fuel Type:
Unleaded gasoline, premium octane recommended (91-98 RON / 87-93 AKI)
Type:
6-speed sequential manual transmission
Clutch:
Hydraulic actuated, wet multi-plate
Gear Ratios:
Specific gear ratios detailed within the manual, crucial for performance tuning
Transmission Oil:
Specific motorcycle gear oil or SAE 10W-40 / 15W-50 engine oil (manual will specify)
Crash Safety:
N/A (Motorcycles are not typically rated by standard automotive crash safety organizations like NHTSA or Euro NCAP)
Braking System:
Hydraulic disc brakes, front and rear (caliper type and disc size detailed in manual)
Tire Specifications:
Specific tire sizes for front and rear (e.g., 120/70-17 front, 150/60-17 rear for supermoto configuration) and off-road variants. Manual will list approved sizes.
Lighting:
Headlight, taillight, brake light, turn signals
Features:
Basic instrumentation (speedometer, tachometer, odometer, trip meter, warning lights). No advanced infotainment systems on this model.
Features:
No electronic rider aids like traction control or ABS are standard on this specific model, though some later Aprilia models introduced such features.
Features:
No smartphone connectivity or advanced telematics.
Oil Change:
Typically every 3,000-5,000 km or annually (refer to manual for exact mileage/time)
Air Filter Cleaning:
Every 1,000-2,000 km or as needed based on riding conditions
Spark Plug Replacement:
Every 5,000-10,000 km (specific plug type and gap in manual)
Chain Maintenance:
Lubricate and adjust every 500-1,000 km
Valve Clearance Check:
Every 10,000-15,000 km (critical for V-twins, often shim-adjusted)
Engine Oil Capacity:
Approx. 1.5 - 2.0 liters (manual will provide precise capacity and API/JASO rating)
Coolant Type:
Ethylene glycol-based antifreeze coolant (specific mix ratio and type in manual)
Brake Fluid Type:
DOT 4 or DOT 5.1 (manual will specify)
Common Problems:
Potential for fuel pump issues, stator/regulator failures, early models had camshaft wear concerns, proper maintenance is key to reliability.
Maintenance Importance:
These models require diligent adherence to maintenance schedules due to their high-performance nature and complex V-twin architecture.
Heritage:
Aprilia is an Italian manufacturer with a strong racing pedigree, particularly in off-road and Grand Prix racing.
Lineage:
The SXV/RXV line represented Aprilia's foray into competitive supermoto and extreme enduro/dual-sport segments, leveraging their V-twin engine technology.
Development:
These models were known for their high-performance engines and chassis, often requiring dedicated maintenance and technical expertise.
Production Years:
SXV/RXV models were produced across various iterations from the mid-2000s, with the 2012 model being a refinement of earlier generations.
