🏷️ Basic Information Identification Make: Aprilia Model: Pegaso 650 Year: 2003 Codes Engine Code: RL125 (single cylinder variant) Chassis Code: Possibly AP1700 or similar Aprilia designation 👋 Introduction Market Position Category: Dual-sport motorcycle Target Audience: Riders seeking a versatile motorcycle for commuting, touring, and light off-road use. Competitive Analysis Competitors 2003: BMW F650GS, Honda Transalp, Yamaha TDM850 (depending on market segment focus) Key Features Versatility: Combines street comfort with some off-road capability. Engine Type: Single-cylinder, liquid-cooled Suspension Travel: Generous suspension travel for absorbing rough terrain. 📋 Manual Details Coverage Areas Covered Models: Aprilia Pegaso 650 (2003 model year) Primary Coverage: Service, Repair, Workshop Page Count Estimated Pages: 300-500 (typical for comprehensive service manuals) Manual Type Type: Service Repair Workshop Manual Language Language: English Format Format: Digital (likely PDF) 📖 Manual Coverage Systems Covered Engine: Complete engine overhaul, tuning, diagnostics, component repair (cylinder, piston, valves, crankshaft, lubrication, cooling) Transmission: Gearbox inspection, repair, clutch service, chain maintenance, lubrication Fuel System: Carburetor (Mikuni BSR42) service and tuning, fuel pump, fuel lines, fuel tank maintenance Electrical System: Ignition system, lighting, charging system (alternator, regulator/rectifier), battery, starter motor, wiring diagrams, troubleshooting electrical faults Brakes: Hydraulic brake system, caliper service, master cylinder repair, pad replacement, fluid flushing, disc inspection Suspension: Front fork (Marzocchi 41mm or similar) overhaul, rear shock absorber service, linkage maintenance Frame And Bodywork: Chassis inspection, frame repair considerations, fairing removal and installation, seat, body panel maintenance Cooling System: Radiator, coolant hoses, water pump, thermostat, coolant type and capacity Exhaust System: Muffler, exhaust pipes, mounting, gasket replacement Wheels And Tires: Wheel bearing service, spoke tension adjustment, tire pressure recommendations, tire replacement Procedures Included Maintenance: Routine service, oil changes, filter replacements, spark plug service, chain lubrication and adjustment, brake bleeding Diagnostics: Troubleshooting common issues, fault finding procedures, diagnostic checks for engine and electrical systems Repair: Step-by-step repair instructions for all major components and systems Rebuilds: Detailed procedures for engine and transmission rebuilds Specifications: Torque values, clearances, fluid capacities, electrical resistance values Technical Depth Depth: Comprehensive, covering basic maintenance to complete engine and transmission overhauls. Suitable for professional mechanics and advanced DIY enthusiasts. 📊 Manual Specifications File Format Format: PDF Searchability: Likely text-searchable if digitally generated Print Quality Quality: High resolution for clear diagrams and text Binding Type Binding: Not applicable (digital format) Paper Type Paper: Not applicable (digital format) ⚙️ Engine Specifications Primary Engine Engine Type: Single-cylinder, four-stroke, liquid-cooled, DOHC Displacement: 652 cc Bore X Stroke: 100 mm x 83 mm (approximate) Compression Ratio: 9.1:1 (approximate) Performance Horsepower: Approx. 45-48 HP @ 6500 RPM Torque: Approx. 55 Nm @ 4500 RPM Fuel System Carburetor: Mikuni BSR42 Fuel Capacity: 14 Liters (approximate) Cooling System Type: Liquid-cooled Lubrication System Type: Wet sump Ignition System Type: Electronic ignition 🔧 Transmission Standard Type: 5-speed manual Features Clutch Type: Wet multi-plate Final Drive: Chain driven 📐 Dimensions Exterior Length: Approx. 2180 mm Width: Approx. 850 mm Height: Approx. 1340 mm Wheelbase: Approx. 1470 mm Weights Dry Weight: Approx. 173 kg Wet Weight: Approx. 190 kg (fully fueled) Wheels And Tires Front Tire Size: 90/90-21 Rear Tire Size: 130/80-17 Front Wheel: Spoked, 21 inch Rear Wheel: Spoked, 17 inch 🛡️ Safety Features Ratings Safety Features: Standard dual disc front brakes, single disc rear brakes. Headlight, taillight, turn signals for visibility. Active Features Braking System: Dual 300mm discs with twin-piston calipers (front), 220mm disc with single-piston caliper (rear) Passive Features Lighting: Halogen headlight, LED taillight, standard turn signals 💡 Technology Features Infotainment Features: Basic analog instrumentation: speedometer, tachometer, odometer, trip meter, coolant temperature gauge. No modern infotainment systems. Driver Assistance Features: None. Connectivity Features: None. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 5,000 - 7,500 km or annually (refer to manual for exact schedule) Valve Clearance Check: Approximately every 10,000 - 15,000 km Chain Maintenance: Lubricate and adjust every 1,000 km or after washing/wet riding Fluid Specifications Engine Oil Type: API SG/SH/SJ or JASO MA, SAE 10W-40 or 15W-50 (check manual for exact specification) Coolant Type: Ethylene glycol based coolant, typically a 50/50 mix with distilled water Brake Fluid Type: DOT 4 Fork Oil Type: SAE 10W (refer to manual for specific viscosity and type) Known Issues Potential Issues: Carburetor synchronization, stator/regulator-rectifier failures, occasional electrical gremlins, wear on suspension components due to mileage and use. Filter Part Numbers Oil Filter: e.g., HiFloFiltro HF152, K&N KN-152 (verify with manual/dealer) Air Filter: e.g., K&N HA-6503 (verify with manual/dealer) Spark Plug Type Spark Plug: e.g., NGK CR9EB or similar (verify with manual) 📚 Vehicle History Brand Heritage Manufacturer: Aprilia is an Italian manufacturer known for its performance motorcycles, particularly in racing. Model Evolution Pegaso Lineage: The Pegaso line has a history of adventure and dual-sport oriented bikes, often featuring Rotax-derived engines in earlier generations, later transitioning to Aprilia's own designs or other engine suppliers. Production Production Period: The Pegaso 650 model range has...