🏷️ Basic Information Identification Make: Aprilia Model: Pegaso 650 Year: 2004 👋 Introduction Market Position Segment: Adventure Touring / Dual-Sport Motorcycle Target Audience: Riders seeking a versatile motorcycle for both commuting and light off-road use Competitive Analysis Key Competitors Circa 2004: BMW F650GS, Honda Transalp, Yamaha XT660R Key Features Vehicle Engine Configuration: Single-cylinder, four-stroke Chassis Design: Robust frame with long-travel suspension for versatility Design Philosophy: Combines everyday usability with off-road capability and touring comfort 📋 Manual Details Coverage Areas Manual Type: Full Service Repair Manual Language: English Format: Digital Download (likely PDF) 📖 Manual Coverage Systems Covered Engine Overhaul: Complete engine disassembly, inspection, repair, and reassembly procedures Fuel System: Carburetor/fuel injection system troubleshooting, cleaning, and adjustment Ignition System: Ignition coil, spark plug, and timing system diagnostics and repair Cooling System: Radiator, coolant, fan, and thermostat service and repair Exhaust System: Muffler, catalytic converter, and pipe inspection and replacement Transmission Drivetrain: Clutch operation, gearbox disassembly, maintenance, and repair Suspension Front: Front fork service, seal replacement, and damper adjustment Suspension Rear: Rear shock absorber, swingarm, and linkage maintenance and adjustment Braking System Front: Brake caliper, disc, pad inspection, replacement, and bleeding procedures Braking System Rear: Rear brake caliper, disc, pad inspection, replacement, and bleeding procedures Electrical System Charging: Stator, regulator/rectifier, and battery testing and replacement Electrical System Lighting: Headlight, taillight, turn signal, and dashboard illumination troubleshooting Electrical System Starting: Starter motor, solenoid, and battery cable inspection and repair Frame Chassis: Frame inspection, headstock bearing service, and general chassis maintenance Bodywork Fairings: Fairing removal, installation, repair, and decal application Wheels Tires: Wheel bearing inspection, tire replacement, and balancing Procedures Included Routine Maintenance: Oil changes, filter replacements, chain adjustment, and lubrication schedules Troubleshooting Diagnostics: Step-by-step diagnostic procedures for common and uncommon faults Component Rebuild: Detailed instructions for rebuilding major components (e.g., engine, gearbox, forks) Wiring Diagrams: Comprehensive electrical schematics for all systems Torque Specifications: Precise torque values for all critical fasteners Special Tool Requirements: Identification and usage instructions for specialized tools Technical Depth Level Of Detail: Comprehensive, suitable for professional mechanics and experienced DIY enthusiasts Repair Scope: Covers everything from routine maintenance to complete engine and chassis rebuilds 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text content for quick information retrieval Print Readiness: Optimized for printing, allowing users to create hard copies Resolution: High-resolution diagrams and images for clarity ⚙️ Engine Specifications Primary Engine Engine Type: Single-cylinder, four-stroke, liquid-cooled, DOHC Displacement: 652 cc Bore X Stroke: 100 mm x 83 mm Compression Ratio: 10.1:1 Performance Horsepower Approx: 48 hp @ 6,500 rpm (may vary slightly by market) Torque Approx: 57 Nm @ 5,250 rpm (may vary slightly by market) Fuel System Fuel Delivery: Carburetor (likely Mikuni BS32) or early fuel injection depending on specific market variant for 2004 models Fuel Type: Unleaded gasoline (minimum 91 RON/87 AKI) Lubrication Oil Type Recommendation: API SG/SH/SJ or JASO MA certified 10W-40 or 15W-50 motorcycle oil Oil Capacity W Filter: Approx. 2.6 liters 🔧 Transmission Standard Transmission Type: 5-speed manual Clutch Type: Wet multi-plate Features Final Drive: O-ring sealed chain 📐 Dimensions Exterior Length Approx: 2,220 mm Width Approx: 850 mm Height Approx: 1,400 mm (with windscreen) Wheelbase Approx: 1,480 mm Ground Clearance Approx: 220 mm Weights Dry Weight Approx: 171 kg Wet Weight Approx: 187 kg Fuel Tank Capacity: 14 liters (including 3.5 liter reserve) 🛡️ Safety Features Ratings Safety Standards Adherence: Designed to meet relevant motorcycle safety regulations of the period Active Features Braking System: Disc brakes front and rear, ABS was an optional feature on some variants Lighting: Halogen headlight, LED taillight Passive Features Chassis Stability: Tubular steel frame for rider stability Ergonomics: Upright riding position for rider comfort and control 💡 Technology Features Infotainment Instrument Cluster: Analog tachometer, speedometer, fuel gauge, and warning lights. Digital display for odometer and trip meters. Driver Assistance ABS Availability: Optional on certain 2004 models. Connectivity Diagnostic Ports: May feature early OBD-II or proprietary diagnostic connectors for electronic fault diagnosis. 🔧 Maintenance Service Intervals Oil Change Interval: Every 6,000 - 10,000 km or annually, whichever comes first (refer to manual for exact) Valve Clearance Check: Every 12,000 - 20,000 km (refer to manual for exact) Chain Lubrication Adjustment: Regularly, ideally every 500 km and before long rides, adjust as needed Air Filter Cleaning Replacement: Every 6,000 - 12,000 km or as needed based on riding conditions Fluid Specifications Coolant Type: Ethylene glycol-based antifreeze mixed with distilled water (50/50 ratio recommended) Brake Fluid Type: DOT 4 Clutch Fluid Type: DOT 4 (if hydraulic clutch) Known Issues Starter Motor Reliability: Some earlier models experienced starter motor issues, though often resolved with upgraded components or proper maintenance. Fuel Pump Strain: If fuel injected, potential for fuel pump strain from dirty fuel filters. Regulator Rectifier Heat: Common across many brands, the regulator/rectifier can be prone to overheating and failure over...