Basic Information Identification Make: Aprilia Model: Pegaso 650 Product Name: APRILIA PEGASO 650 1997-1999 Full Service Repair Manual Codes Internal Product Code: APR-PEG650-1997-1999-SRM Introduction Market Position Segment: Adventure Touring / Dual-Sport Motorcycle Target Audience: Enthusiast owners and independent motorcycle repair shops. Competitive Analysis Competitors Era: BMW F650 Funduro, Kawasaki KLR650, Suzuki DR650SE, Yamaha XT600/Tenere. Key Features Design Philosophy: Versatile platform suitable for on-road commuting and light off-road exploration. Manual Value Proposition: Provides detailed, accurate technical information essential for maintaining and repairing the specific model. Manual Details Coverage Areas Model Years Covered: 1997, 1998, 1999 Page Count Estimated Page Count: 350-450 Manual Type Type: Full Service and Repair Manual Language Language: English Format Format: Digital (PDF) Manual Coverage Systems Covered Engine Overhaul: Complete engine disassembly, inspection, repair, and reassembly procedures. Fuel System: Carburetor(s) (Mikuni BSR32), fuel pump, fuel lines, fuel tank inspection and maintenance. Ignition System: CDI ignition, spark plugs, ignition coils, wiring diagrams. Cooling System: Radiator, cooling fan, coolant hoses, thermostat replacement. Transmission Clutch: Clutch operation, adjustment, replacement; gearbox disassembly, inspection, and repair. Chassis Frame: Frame inspection, welding points, headstock bearings. Suspension Front: Front fork (Telescopic, possibly Paioli or Marzocchi) service, seal replacement, oil level and viscosity specifications. Suspension Rear: Monoshock rear suspension, linkage inspection, shock absorber service, adjustment. Braking System Front: Brake caliper service, pad replacement, disc inspection, hydraulic system bleeding, master cylinder overhaul. Braking System Rear: Rear brake caliper, pad, and disc service; hydraulic system. Electrical System: Battery, charging system (alternator/stator, regulator/rectifier), starter motor, lighting, instrumentation. Wiring Diagrams: Comprehensive electrical wiring schematics for all systems. Bodywork Fairings: Fairing removal and installation, body panel repair and maintenance. Controls Cables: Throttle, clutch, and brake cable inspection, adjustment, and replacement. Wheels Tires: Wheel bearing inspection and replacement, tire pressure specifications, rim maintenance. Procedures Included Routine Maintenance: Oil changes, filter replacements, chain lubrication and adjustment, spark plug checks, air filter cleaning/replacement. Troubleshooting Diagnostics: Step-by-step diagnostic procedures for common and uncommon issues. Component Overhaul: Detailed instructions for rebuilding major components like engines and carburetors. Safety Inspections: Brake system checks, suspension integrity, tire condition. Special Tools: Identification of necessary special tools for specific repair procedures. Technical Depth Depth Level: Comprehensive professional-level repair and maintenance guidance. Diagnostic Capability: Advanced troubleshooting for electrical and mechanical faults. Rebuild Procedures: Full engine and gearbox rebuild procedures with torque specifications and clearances. Manual Specifications File Format Format Type: PDF Searchability: Searchable text content for quick information retrieval. Print Quality Image Resolution: High-resolution images and diagrams suitable for printing. Binding Type Binding: N/A (Digital Format) Paper Type Paper Type: N/A (Digital Format) Engine Specifications Primary Engine Type: Single-cylinder, four-stroke Displacement: 652 cc Bore X Stroke: 100 mm x 83 mm Compression Ratio: 9.1:1 (typical, may vary slightly) Valve Train: SOHC, 4 valves per cylinder Performance Horsepower Peak: Approx. 48 hp @ 6,500 rpm (as per original specifications) Torque Peak: Approx. 57 Nm (42 lb-ft) @ 5,500 rpm (as per original specifications) Fuel System Carburetion: Single Mikuni BSR32 CV carburetor Fuel Type: Unleaded gasoline (95 RON recommended) Fluid Capacity Engine Oil Capacity W Filter: Approx. 2.2 Liters (2.3 US qt) Coolant Capacity: Approx. 1.5 Liters (1.6 US qt) Transmission Standard Type: 5-speed manual Primary Drive: Gear Final Drive: O-ring sealed chain Features Clutch Type: Wet, multi-plate, cable-operated Fluid Spec Transmission Oil Type: API GL-4 SAE 80W/90 (or manufacturer-recommended equivalent) Dimensions Exterior Length: Approx. 2180 mm (85.8 in) Width: Approx. 860 mm (33.9 in) Height: Approx. 1350 mm (53.1 in) Wheelbase: Approx. 1470 mm (57.9 in) Weights Dry Weight: Approx. 185 kg (408 lbs) Wet Weight: Approx. 206 kg (454 lbs) (fully fueled) Capacities Fuel Tank Capacity: Approx. 19 Liters (5.0 US gal) Safety Features Ratings Crash Test Ratings: N/A (Motorcycle) Active Features Brakes: Hydraulic disc brakes front and rear. Lighting: Halogen headlight, LED taillight, turn signals. Passive Features Frame Construction: Steel double-cradle frame. Ergonomics: Upright riding position for rider comfort and control. Technology Features Infotainment Dashboard: Analog speedometer and tachometer, fuel gauge, engine temperature warning light, neutral indicator, turn signal indicators. Driver Assistance ABS: Optional ABS system available on some models. Connectivity Bluetooth Usb: Not applicable to this model year. Maintenance Service Intervals Engine Oil Change: Every 5,000 km (3,000 miles) or annually. Air Filter Cleaning: Every 5,000 km (3,000 miles). Spark Plug Replacement: Every 10,000 km (6,000 miles). Valve Clearance Check: Every 10,000 km (6,000 miles). Chain Lubrication Adjustment: Every 1,000 km (600 miles) or after riding in wet conditions. Fluid Specifications Engine Oil Type: API SG or higher, SAE 10W-40 motorcycle specific oil. Coolant Type: Ethylene glycol-based coolant with anti-corrosion additives (50/50 mix with distilled water). Brake Fluid Type: DOT 4 Known Issues Common Wear Items: Clutch plates, fork seals, rear shock absorber damping, CDI unit reliability (early models), carburetor float needles. Common Issues Electrical Connections: Corrosion in connectors and wiring harnesses, especially in humid environments. Carburetor Tuning: Can...