Motorcycle Segment:
Dual-sport / Adventure Touring motorcycle.
Target Audience:
Riders seeking a versatile motorcycle for commuting, touring, and light off-road use.
Key Competitors:
BMW F650 Funduro, Honda Transalp, Suzuki DR650, Yamaha XT600/XT660.
Engine Type:
Single-cylinder, four-stroke engine.
Design Philosophy:
Combines practical everyday usability with the capability for adventure touring and off-road excursions.
Frame Construction:
Steel frame, offering a balance of rigidity and compliance.
Suspension Setup:
Long-travel suspension designed for varied terrain.
Engine:
Complete engine overhaul, including cylinder head, pistons, crankshaft, lubrication system, cooling system, and fuel injection.
Transmission:
Gearbox disassembly, inspection, repair, clutch operation, and final drive (chain/sprockets).
Chassis:
Frame, subframe, swingarm, suspension (front forks, rear shock), steering system.
Brakes:
Front and rear brake systems, including caliper overhaul, master cylinder, fluid lines, and bleeding procedures.
Electrical System:
Wiring diagrams, battery, charging system (alternator, regulator/rectifier), ignition system, starter motor, lighting, and instrumentation.
Fuel System:
Fuel tank, fuel pump, fuel injection system (throttle body, injectors, ECU mapping basics), and emissions controls.
Cooling System:
Radiator, fan, thermostat, coolant circulation, and troubleshooting coolant leaks.
Exhaust System:
Exhaust manifold, catalytic converter (if applicable), muffler, and mounting hardware.
Bodywork And Trim:
Fairings, seats, fuel tank cover, fenders, and other body panels removal and installation.
Routine Maintenance:
Oil changes, filter replacements, chain lubrication and adjustment, tire pressure checks, spark plug replacement, and air filter cleaning/replacement.
Scheduled Maintenance:
Detailed maintenance schedule with mileage/time intervals for all major components and systems.
Troubleshooting:
Systematic diagnostic procedures for common and uncommon issues, fault code interpretation (if applicable).
Engine Repair:
Top-end rebuilds, bottom-end overhauls, valve adjustments, timing chain replacement.
Transmission Repair:
Gear selection issues, clutch engagement problems, bearing replacements.
Brake System Overhaul:
Brake pad replacement, caliper sealing, hydraulic system bleeding, master cylinder rebuild.
Suspension Servicing:
Fork oil changes, seal replacement, rear shock absorber maintenance.
Electrical Diagnostics:
Fault finding on charging system, ignition, starter, and lights using wiring diagrams.
Fuel Injection Tuning:
Basic adjustments, sensor checks, and troubleshooting fuel delivery issues.
Diagnostic Tools:
May reference specialized tools required for specific diagnostics and repairs.
Specifications And Tolerances:
Detailed torque specifications, clearances, and wear limits for all critical components.
Wiring Diagrams:
Comprehensive, often color-coded, wiring diagrams for all electrical systems.
Troubleshooting Flowcharts:
Systematic flowcharts to diagnose faults based on symptoms.
Engine Type:
Rotax 4-stroke, liquid-cooled, single-cylinder, DOHC, 4 valves per cylinder.
Engine Displacement:
652 cc (652 cubic centimeters).
Bore X Stroke:
100 mm x 83.5 mm (typical for this engine platform).
Compression Ratio:
Approximately 10.0:1 (subject to minor variations).
Peak Horsepower:
Around 48-50 HP at 6500-7000 RPM (figures may vary slightly by market and specific tuning).
Peak Torque:
Approximately 56-58 Nm (41-43 lb-ft) at 4000-4500 RPM.
Fuel Delivery:
Electronic Fuel Injection (EFI) - likely Keihin or similar.
Fuel Type:
Unleaded gasoline, 91-98 octane rating (RON+MON)/2 or AKI.
Fuel Tank Capacity:
Approximately 17-20 liters (4.5-5.3 US gallons), depending on the specific model variant.
Overall Length:
Approximately 2150 mm (84.6 inches).
Overall Width:
Approximately 860 mm (33.9 inches) excluding mirrors.
Overall Height:
Approximately 1370 mm (53.9 inches).
Wheelbase:
Approximately 1470 mm (57.9 inches).
Ground Clearance:
Around 220 mm (8.7 inches), suitable for light off-road use.
Dry Weight:
Approximately 170 kg (375 lbs).
Curb Weight:
Approximately 185 kg (408 lbs) with fluids and ready to ride.
Load Capacity:
Typically rated for a rider and passenger plus luggage, around 180-200 kg total.
Crash Test Ratings:
Motorcycles of this era typically do not undergo standardized crash testing in the same way as cars.
Braking System:
Hydraulic disc brakes front and rear. Front usually dual discs, rear single disc. ABS was an option on some later models, but less common on this 1997-2001 range.
Lighting System:
Halogen headlamp, tail light, brake lights, and turn signals.
Frame Strength:
Robust steel frame designed to withstand typical road and light off-road stresses.
Ergonomics:
Upright riding position for rider comfort and control.
Oil Change Interval:
Typically every 5,000 - 7,500 km (3,000 - 4,500 miles) or annually, whichever comes first.
Air Filter Cleaning:
Check every 5,000 km, clean/replace as needed.
Spark Plug Replacement:
Recommended around 10,000 - 15,000 km.
Valve Adjustment Interval:
Typically every 10,000 - 15,000 km, depending on wear and manufacturer recommendations.
Chain And Sprockets Inspection:
Regular inspection for wear and adjustment, replacement as needed.
Engine Oil Type:
API SG/SH/SJ or higher, SAE 10W-40 or 15W-50 motorcycle specific oil.
Engine Oil Capacity:
Approximately 2.4 - 2.6 liters with filter change.
Coolant Type:
Ethylene glycol-based antifreeze, mixed with distilled water in a 50/50 ratio.
Brake Fluid Type:
DOT 4 or DOT 5.1 hydraulic fluid.
Fork Oil Type And Viscosity:
Typically SAE 10W or 15W fork oil, capacity around 450-500 ml per leg (refer to manual for exact amount).
Fuel Pump Reliability:
Some early models might experience fuel pump issues; regular maintenance and clean fuel are key.
Regulator Rectifier:
As with many bikes of this era, the R/R unit can be a point of failure; checking voltage output is recommended.
Clutch Slave Cylinder Leaks:
Occasional leaks from the clutch slave cylinder seal can occur.
Chain Wear:
Regular chain maintenance and timely replacement prevent premature sprocket wear.
Idle Stability:
Maintaining clean throttle bodies and a properly functioning idle control system is important for smooth idling.
Manufacturer Origin:
Aprilia is an Italian manufacturer with a strong heritage in racing and performance motorcycles.
First Generation Pegaso:
The original Pegaso 650 was introduced in 1990, also utilizing a Rotax engine, and established the model's reputation for versatility.
Second Generation Changes:
The 1997 models represented a significant update, including revised styling, improved chassis components, and refinements to the fuel injection system.
Trail Variant:
Later models in this generation (and beyond) often included a 'Trail' variant with spoked wheels and longer-travel suspension for enhanced off-road capability.
Manufacturing Location:
Primarily Italy.
