Segment:
Dual-sport / Adventure Touring motorcycle
Target Audience:
Riders seeking versatility for on-road commuting and light off-road exploration.
Key Competitors Era:
BMW F650 Funduro, Kawasaki KLR650, Honda Transalp.
Design Philosophy:
Combining practicality, reliability, and a distinctive Italian flair.
Versatility:
Suitable for commuting, touring, and light off-road adventures.
Engine:
Complete engine overhaul, tuning, diagnosis, fuel injection, ignition, lubrication, cooling systems.
Transmission:
Clutch operation, gearbox disassembly and reassembly, gear shift mechanism, lubrication.
Chassis And Suspension:
Front fork service (seals, oil, springs), rear shock absorber inspection and replacement, swingarm bearings, wheel bearings, steering head bearings.
Brakes:
Hydraulic system diagnostics, brake fluid replacement, caliper service, master cylinder repair, pad and disc replacement.
Electrical System:
Wiring diagrams, lighting systems, battery and charging system, starter motor, ignition system components, instrument cluster, diagnostic connectors.
Fuel System:
Fuel tank inspection, fuel pump operation, fuel filter replacement, fuel injection system (injector testing, pressure checks).
Exhaust System:
Exhaust manifold inspection, muffler replacement, emissions control system components.
Bodywork And Trim:
Fairing removal and installation, seat assembly, tank cover, lighting elements, instrumentation housing.
Maintenance:
Regular servicing, oil changes, filter replacements, chain adjustment, brake fluid flush, coolant replacement, spark plug replacement, valve clearance checks.
Troubleshooting:
Diagnostic charts, common fault identification, electrical system testing, engine performance issues, starting problems.
Repair:
Engine rebuild procedures, transmission component replacement, suspension fork overhauls, electrical component replacement, brake caliper rebuilding.
Disassembly And Reassembly:
Step-by-step guides for major component removal and reinstallation.
Depth:
Comprehensive, covering from basic maintenance to advanced engine and electrical diagnostics and overhauls.
Type:
Four-stroke, single-cylinder, liquid-cooled, DOHC
Bore X Stroke:
100 mm x 83 mm
Compression Ratio:
10.0:1 (typical)
Horsepower:
Approx. 48-50 HP at 6,500 RPM (varies by market and year)
Torque:
Approx. 60 Nm (44 lb-ft) at 5,500 RPM (varies by market and year)
Induction:
Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded gasoline, minimum 91 octane (RON+MON)/2
Fuel Tank Capacity:
Approx. 17 Liters (4.5 US Gallons)
Type:
Digital electronic ignition with dual spark plugs
System:
Wet sump, forced lubrication
Crash Test Ratings:
N/A (Motorcycle safety is typically assessed via component testing and rider feedback, not standardized crash tests like cars)
Braking System:
Hydraulic disc brakes front and rear. Optional ABS available on some models/markets.
Lighting:
Halogen headlamp, LED tail lamp, turn signals.
Ergonomics:
Upright riding position designed for rider comfort and control.
Features:
Basic analog tachometer and speedometer, odometer, trip meter, fuel gauge, indicator lights.
ABS:
Optional Anti-lock Braking System (ABS) available on certain configurations, offering enhanced braking control.
Features:
No advanced connectivity features like Bluetooth or smartphone integration, typical for the era.
Oil Change Interval:
Every 6,000 km or 6 months, whichever comes first.
Oil Filter Change Interval:
With every oil change.
Air Filter Cleaning Interval:
Every 6,000 km, inspect more frequently in dusty conditions.
Valve Clearance Check Interval:
Every 12,000 km.
Chain Lubrication And Adjustment:
Every 1,000 km and after washing or riding in rain.
Engine Oil Type:
SAE 10W-40, API SG or higher, JASO MA certified (e.g., Motul 5100 10W-40)
Coolant Type:
Ethylene glycol based antifreeze mixture (50% water, 50% coolant), e.g., Castrol Radicool SF
Brake Fluid Type:
DOT 4 hydraulic fluid
Engine Oil Capacity:
Approx. 2.1 Liters (with filter change)
Coolant Capacity:
Approx. 1.6 Liters
Common Wear Items:
Chain and sprockets, brake pads, fork seals, regulator/rectifier (early models).
Potential Electrical Faults:
Wiring harness chafing, intermittent stator output, battery charging issues related to regulator/rectifier.
Engine Performance Tips:
Regular cleaning of the throttle body and air filter, checking spark plug condition, and ensuring correct fuel pressure are crucial for optimal performance.
Manufacturer Origin:
Italy
Brand Focus:
Aprilia is renowned for its performance-oriented motorcycles, particularly in racing and sportbike segments, but also produces capable adventure and naked bikes.
Previous Generations:
The Pegaso line has roots in earlier Aprilia single-cylinder models, evolving over time to meet changing market demands.
Key Changes Era:
Introduction of fuel injection, chassis refinements, and styling updates during the 1997-2005 period.
Manufacturing Location:
Italy (Aprilia's primary manufacturing base)
Production Span For This Manual:
1997-2005
Awards:
While specific awards are not widely documented, the Pegaso 650 was recognized for its balanced performance and value proposition within the dual-sport segment during its production run.
User Reviews Sentiment:
Generally positive, praised for its comfortable riding position, reliable engine (with proper maintenance), and versatile nature.
