Market Position:
The Aprilia Pegaso 650 was positioned as a versatile dual-sport motorcycle, appealing to riders seeking a capable on-road machine with off-road styling and some adventure touring potential.
Competitive Analysis:
Competed against other mid-weight adventure touring bikes and dual-sports such as the BMW F650, Honda Transalp, Suzuki DR650, and Yamaha XT660.
Key Features:
Often featured a torquey single-cylinder engine (Rotax-derived), distinctive Italian styling, capable suspension, and versatility for commuting, touring, and light off-roading.
Engine:
Engine overhaul, top-end rebuild, bottom-end assembly, cylinder head, pistons, crankshaft, camshafts, valve train, cooling system, lubrication system.
Fuel System:
Carburetor (or fuel injection depending on specific model variant) disassembly, cleaning, adjustment, fuel pump, fuel lines, fuel tank.
Ignition System:
Spark plugs, ignition coils, CDI unit, wiring diagrams, troubleshooting.
Transmission:
Clutch operation, gear selection mechanism, gearbox disassembly and reassembly, lubrication.
Drivetrain:
Chain drive, sprockets, rear suspension linkage (if applicable), wheel bearings.
Brakes:
Front and rear brake systems (disc brakes), caliper overhaul, master cylinder, brake lines, bleeding procedures, pad replacement.
Suspension:
Front forks (telescopic), rear shock absorber, linkages, springs, damping adjustments, bearing services.
Steering:
Handlebar assembly, steering head bearings, fork yokes, troubleshooting.
Electrical System:
Battery, charging system (alternator/stator, regulator/rectifier), lighting, instrumentation, starter motor, wiring diagrams, fuses, relays.
Frame And Bodywork:
Frame inspection, body panel removal and installation, seat, fuel tank, fairings, fenders.
Maintenance:
Scheduled maintenance, oil changes, filter replacements, chain adjustment, brake checks, coolant checks, spark plug replacement, air filter cleaning/replacement.
Troubleshooting:
Diagnostic procedures for common problems, symptom-based fault finding, electrical system diagnostics.
Repair:
Detailed step-by-step instructions for component disassembly, repair, and reassembly of all major systems.
Specifications:
Torque specifications, clearances, fluid capacities, electrical component resistance values, engine timing.
Adjustments:
Carburetor synchronization, valve clearance adjustment, chain slack adjustment, suspension pre-load adjustment.
Technical Depth:
Factory level detail suitable for professional technicians and experienced DIY mechanics. Includes full engine rebuild procedures.
Engine Type:
Single-cylinder, four-stroke
Displacement:
652 cc (approx.)
Bore X Stroke:
Typically around 100 mm x 83.8 mm (exact figures may vary slightly by sub-model)
Compression Ratio:
Around 9.8:1 to 10.5:1 (varies by specific model variant)
Valve Train:
SOHC (Single Overhead Camshaft), 4 valves per cylinder
Horsepower:
Approximately 48-50 hp (varies by year and specific engine tune)
Torque:
Approximately 55-60 Nm (varies by year and specific engine tune)
Fuel Delivery:
Carburetor (e.g., Mikuni BSR32 or similar) on earlier models, with potential for fuel injection on later variants or specific sub-models.
Fuel Type:
Unleaded gasoline
Cooling Method:
Liquid-cooled
Oil Capacity:
Approximately 2.3 - 2.5 liters (including filter, check manual for exact figure)
Oil Type:
Typically a 10W-40 or 15W-50 motorcycle-specific, JASO MA rated oil. Always consult manual for precise specification.
Length:
Varies by sub-model, but generally around 2200-2300 mm
Width:
Varies by sub-model, typically around 800-900 mm (handlebar width)
Height:
Varies by sub-model, typically around 1300-1500 mm (to top of screen/handlebar)
Wheelbase:
Approximately 1480-1500 mm
Dry Weight:
Around 170-185 kg (varies by sub-model and installed accessories)
Wet Weight:
Approximately 185-200 kg (with fluids)
Payload Capacity:
Refer to owners manual; typically around 180-200 kg rider and cargo.
Front Tire Size:
Commonly 90/90-21 or 100/90-19, depending on sub-model (e.g., Trail variant typically has 21-inch front wheel)
Rear Tire Size:
Commonly 130/80-17 or 140/80-17
Wheel Bolt Pattern:
N/A (Motorcycle, uses axle fasteners)
Oil Change Interval:
Typically every 6,000 km (3,700 miles) or annually, whichever comes first.
Filter Change Interval:
Replace oil filter with every oil change.
Chain Maintenance:
Lubricate and adjust chain every 1,000 km (600 miles) or as needed, especially after wet riding.
Valve Clearance Interval:
Typically every 12,000 km (7,500 miles) or as per manual recommendations.
Coolant Type:
Ethylene glycol based, anti-freeze/anti-corrosion coolant, typically a 50/50 mix with distilled water.
Brake Fluid Type:
DOT 4 recommended. Always check manual for latest specification.
Common Issues:
Potential for stator failure, regulator/rectifier issues, occasional carburetor tuning complexities, wear on steering head bearings, and chain/sprocket wear if not maintained.