Vehicle Segment:
High-performance off-road/supermoto motorcycle
Target Audience:
Enthusiasts and riders seeking extreme performance in both dirt and street applications, requiring detailed technical guidance for maintenance and repair.
Key Competitors:
KTM EXC/SMC series, Husqvarna SM/TE series, TM Racing SMM/MX models.
Aprilia Motorsport Heritage:
Leverages Aprilia's extensive experience in motorcycle racing, particularly in off-road and supermoto disciplines, translating into a high-strung, performance-oriented machine.
Dual Purpose Design:
Unique chassis and engine configurations designed to excel in both motocross (RXV) and supermoto (SXV) contexts, demanding specialized service knowledge.
Manual Value Proposition:
Provides the essential technical documentation for owners and independent mechanics to maintain and repair these specialized, high-performance Italian motorcycles, which may have limited dealer support in some regions.
Engine Systems:
Engine overhaul, top-end rebuild, bottom-end rebuild, valve adjustment, piston and ring replacement, lubrication system, cooling system, fuel injection system (MAP sensor, TPS, injectors, fuel pump), exhaust system.
Transmission Drivetrain:
Clutch operation and adjustment, gearbox internal components, gear selection mechanism, final drive chain and sprockets.
Chassis Suspension:
Frame inspection, front fork service (seals, oil, springs), rear shock absorber service and adjustment, steering head bearing maintenance, swingarm and linkage lubrication and inspection.
Braking System:
Brake caliper service, brake line replacement, master cylinder overhaul, brake fluid bleeding, pad replacement, rotor inspection.
Electrical System:
Wiring diagrams, battery maintenance, starter system, ignition system (ECU, coils, spark plugs), lighting system (headlight, taillight, indicators), sensor testing and replacement, dashboard and instrument cluster troubleshooting.
Fuel System:
Fuel tank maintenance, fuel filter replacement, fuel pump diagnosis, fuel line routing and inspection.
Bodywork Plastics:
Fairing removal and installation, seat assembly, fender replacement, graphics and decals.
Maintenance Procedures:
Oil change intervals and procedure, oil filter replacement, air filter cleaning and replacement, spark plug inspection and replacement, chain lubrication and adjustment, valve clearance checks.
Repair Procedures:
Complete engine teardown and reassembly, transmission gear replacement, suspension fork rebuild, brake system overhauls, electrical component troubleshooting and replacement.
Troubleshooting Guides:
Systematic diagnosis of common issues, fault code interpretation (if applicable), symptom-based troubleshooting for starting problems, performance issues, and electrical faults.
Special Tools Required:
Identification of specific tools needed for various repair and maintenance tasks, such as torque wrenches, specialized socket sets, seal drivers, and diagnostic equipment.
Depth Of Coverage:
Comprehensive; covers from routine maintenance and basic adjustments to complete engine and chassis overhauls, including detailed specifications and diagnostic procedures.
Diagnostic Capability:
High; includes detailed troubleshooting trees, electrical circuit diagrams, and component testing procedures.
Rebuild Instructions:
Detailed step-by-step instructions for rebuilding major components like the engine, transmission, and suspension.
File Type:
PDF (Portable Document Format)
Searchability:
Likely text-searchable (depending on original scan quality)
Resolution:
High-resolution scans, suitable for printing individual pages or the entire manual.
Clarity:
Clear text and legible diagrams/illustrations.
Binding For Printed Version:
N/A (Digital Download)
Paper Type For Printed Version:
N/A (Digital Download)
Engine Type:
V-Twin, Four-stroke
Displacement 450:
449.8 cc
Displacement 550:
549.4 cc
Bore X Stroke 450:
92 mm x 69 mm
Bore X Stroke 550:
92 mm x 82 mm
Compression Ratio:
Approximately 12.5:1 (varies slightly by specific model and year)
Valve Train:
DOHC, 4 valves per cylinder
Horsepower 450:
Estimated 55-60 HP (at crank)
Horsepower 550:
Estimated 65-70 HP (at crank)
Torque:
Significant torque delivery across the rev range, particularly in 550cc variant.
Fuel Delivery:
Electronic Fuel Injection (EFI) - Keihin or similar high-performance system.
Fuel Type:
Unleaded gasoline, minimum 95 RON (octane rating).
Throttle Body Size:
Typically 50mm or larger
Oil Type:
High-performance synthetic motorcycle engine oil, SAE 10W-50 or 15W-50 API SG/SH/SJ/SL/SM JASO MA/MA2 recommended. Specific Aprilia recommendation should be followed.
Oil Capacity With Filter:
Approximately 1.5 - 1.8 liters (refer to manual for exact figure)
Type:
Liquid-cooled, dual radiators
Coolant Type:
Ethylene glycol-based antifreeze with corrosion inhibitors (e.g., MOTUL Motocool Expert, Castrol Radicool SF).
Transmission Type:
6-speed manual sequential gearbox
Clutch Type:
Hydraulically operated, wet multi-plate clutch
Final Drive:
Chain drive (520 pitch typically)
Gear Ratios:
Specific ratios are detailed in the manual for optimal performance in different disciplines.
Transmission Oil:
Usually shared with engine oil, but specific requirements may exist for certain components. Always verify in the manual.
Safety Ratings:
N/A (Motorcycles generally do not have standardized crash test ratings like cars).
Braking System Details:
High-performance hydraulic disc brakes front and rear. Brembo calipers are common on Aprilia models. Specific rotor diameters and caliper piston counts detailed in manual.
Suspension Performance:
Adjustable USD front forks (e.g., Marzocchi, Showa) and adjustable rear monoshock (e.g., Sachs, Ohlins) provide significant control and feedback.
Frame Construction:
Steel trellis frame for rigidity and precise handling.
Ergonomics:
Designed for an aggressive riding posture, optimized for control and rider input during dynamic maneuvers.
Oil Change Interval:
Every 3,000 km or 6 months (whichever comes first), or more frequently under harsh use.
Air Filter Cleaning:
Every 1,000 km or more frequently in dusty conditions.
Valve Clearance Check:
Every 6,000 km or 12 months. Critical for engine health and performance.
Spark Plug Replacement:
Recommended every 6,000 km or annually. Check condition at first interval.
Chain Lubrication Adjustment:
Every 500 km and after washing or riding in rain.
Brake Fluid:
DOT 4 or DOT 5.1 (refer to manual for exact specification and DOT rating).
Coolant Specification:
As mentioned in engine specs - ethylene glycol based.
Common Wear Items:
Clutch plates, valve stem seals, wheel bearings, steering head bearings, front fork seals due to high-performance nature.
Electrical Gremlins:
Some owners report occasional issues with sensors or connectors, often resolved by cleaning or reseating. The manual's wiring diagrams are crucial here.
Engine Temperature Management:
V-twin engines can run hot, especially in stop-and-go traffic. Ensuring proper coolant levels and radiator fan operation is vital.
Aprilia Motorsport Legacy:
Aprilia has a rich history in Grand Prix motorcycle racing, accumulating numerous world championships across various disciplines, which heavily influences their road-going performance models.
Sxv Rxv Development:
The SXV/RXV line was developed as Aprilia's flagship dual-purpose V-twin offering, blending motocross capabilities with supermoto potential, a unique niche in the market.
Engine Introduction:
The V-twin engine platform was originally developed for Aprilia's RSV4 sportbike and adapted for the SXV/RXV to provide a potent and distinctive character.
Manufacturing Location:
Italy
