🏷️ Basic Information Identification Make: Aprilia Model: Pegaso 650 Year: 2004 Type: Motorcycle Category: Adventure Touring / Dual-Sport 👋 Introduction Market Position Segment: Versatile middleweight adventure touring motorcycle, known for its off-road capability and urban usability. Competitive Analysis Key Competitors 2004: BMW F650GS, Kawasaki KLR650, Honda Transalp. Key Features Engine Type: Liquid-cooled, four-stroke, single-cylinder. Suspension Type: Long-travel telescopic front forks and monoshock rear suspension. Design Philosophy: Robust and practical, offering comfort for longer journeys and agility for varied terrain. 📋 Manual Details Coverage Areas Primary Coverage: Service and Repair Scope: Comprehensive for professional technicians and advanced DIY users Page Count Estimated Pages: 300+ Manual Type Type: Service Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Detailed overhaul, diagnosis, and tuning of the Rotax 654cc single-cylinder engine. Fuel System: Carburetor (Mikuni BSR42) or Fuel Injection system servicing, adjustment, and troubleshooting. Ignition System: Spark plug inspection, coil replacement, timing adjustments. Cooling System: Radiator, coolant, fan, thermostat, and associated plumbing. Exhaust System: Inspection, repair, and replacement of exhaust components. Transmission: Clutch operation, gearbox disassembly/assembly, gear selection mechanism. Drivetrain: Chain and sprockets maintenance, inspection, and replacement. Suspension Front: Fork servicing, oil changes, seal replacement, spring inspection. Suspension Rear: Monoshock unit inspection, linkage lubrication, adjustment procedures. Brakes Front: Disc, caliper, master cylinder, brake lines, fluid replacement, bleeding. Brakes Rear: Disc, caliper, master cylinder, brake lines, fluid replacement, bleeding. Wheels Tires: Rim inspection, bearing maintenance, tire changing, balancing. Electrical System: Battery, charging system (alternator, regulator/rectifier), starter motor, lighting, wiring diagrams. Instrumentation: Speedometer, tachometer, warning lights, diagnostics. Frame Chassis: Frame inspection, steering head bearing service, swingarm maintenance. Bodywork: Fairing removal/installation, seat, fuel tank, paneling. Procedures Included Maintenance: Scheduled maintenance checks, oil changes, filter replacements, chain adjustment. Troubleshooting: Systematic diagnostic procedures for common and uncommon faults. Repair: Step-by-step instructions for component disassembly, repair, and reassembly. Adjustment: Carburetor synchronization, throttle cable slack, clutch lever play. Diagnostics: Fault finding using symptom-based analysis and diagnostic flowcharts. Torque Specifications: Precise torque values for critical fasteners across all systems. Technical Depth Depth: Full mechanical and electrical overhaul, including engine rebuilds and electrical system diagnostics. Target Audience: Professional motorcycle technicians and experienced home mechanics. 📊 Manual Specifications File Format Format: PDF Searchability: Searchable text for quick information retrieval. Print Quality Quality: High-resolution for clear diagrams and text. Binding Type Type: N/A (Digital Download) Paper Type Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code: Rotax 654cc (often referred to by its designer) Engine Displacement: 652 cc Bore X Stroke: 100 mm x 83 mm Compression Ratio: 10.0:1 Valve Train: SOHC, 4 valves per cylinder Performance Horsepower: Approx. 48 hp @ 6,500 rpm Torque: Approx. 57 Nm (42 lb-ft) @ 5,000 rpm Fuel System Fuel Delivery: Carburetor (Mikuni BSR42) or Electronic Fuel Injection (depending on specific market variant) Fuel Type: Unleaded Gasoline (91 RON or higher recommended) Lubrication Oil Type: API SG or higher, JASO MA certified motorcycle oil Oil Viscosity: 10W-40 or 15W-50 (depending on ambient temperature) Oil Capacity W Filter: Approx. 2.5 Liters (2.6 US qt) 🔧 Transmission Standard Type: 5-speed manual Clutch Type: Wet, multi-plate, cable-actuated Features Gear Ratios: Specific ratios detailed within the manual. Lubrication Transmission Oil Type: API GL-4 or GL-5 gear oil Transmission Oil Capacity: Approx. 0.7 Liters (0.7 US qt) 📐 Dimensions Exterior Length: Approx. 2,200 mm (86.6 in) Width: Approx. 880 mm (34.6 in) (at handlebars) Height: Approx. 1,280 mm (50.4 in) (at seat) Wheelbase: Approx. 1,480 mm (58.3 in) Ground Clearance: Approx. 220 mm (8.7 in) Weights Dry Weight: Approx. 174 kg (383.6 lbs) Wet Weight: Approx. 192 kg (423.3 lbs) (fully fueled) Load Capacity: Detailed in manual, typically around 180-200 kg (rider + luggage). 🛡️ Safety Features Ratings Crash Test Info: N/A (Motorcycle - safety assessed through design and handling characteristics) Active Features Braking System: Dual hydraulic disc brakes front, single hydraulic disc brake rear. ABS was an optional feature on some models. Lighting: Halogen headlight, LED taillight, standard turn signals. Passive Features Frame Construction: Steel perimeter frame for rigidity and impact absorption. 💡 Technology Features Infotainment Type: Basic motorcycle instrumentation. No advanced infotainment systems. Driver Assistance ABS: Optional Anti-lock Braking System (ABS) available on some variants. Connectivity Type: None (mechanical and analog systems). 🔧 Maintenance Service Intervals Oil Change: Every 6,000 km (3,700 miles) or 12 months. Air Filter Cleaning: Every 6,000 km (3,700 miles). Spark Plug Replacement: Every 12,000 km (7,500 miles). Valve Clearance Check: Every 12,000 km (7,500 miles). Chain Lubrication: Every 500 km (300 miles) and after washing/rain. Fluid Specifications Coolant Type: Ethylene glycol-based antifreeze/coolant mixture (50% water, 50% coolant). Brake Fluid Type: DOT 4 hydraulic brake fluid. Known Issues Electrical Connections: Corrosion in connectors, particularly around the regulator/rectifier and stator wiring, can lead to charging issues. Fuel Pump Reliability: In earlier carbureted models, fuel pump diaphragm issues could occur. EFI models...