Basic Information Identification Make: Aprilia Model: Pegaso 650 Model Year: 2004 Product Type: Service Repair Workshop Manual Introduction Market Position Market Position: The Aprilia Pegaso 650 (particularly the 2004 model year) represents Aprilia's entry into the versatile adventure-touring or dual-sport motorcycle segment, often competing with models like the BMW F650GS, Kawasaki KLR650, and Yamaha XT660R. It offers a blend of on-road comfort and off-road capability. Competitive Analysis Competitive Analysis: The Pegaso 650 distinguishes itself with Italian flair and often a more refined chassis and suspension compared to some of its single-cylinder competitors. Its Rotax-designed engine provided a good balance of power and torque, suitable for touring and light off-roading. Key Features Key Features: The 2004 model year typically features the Rotax 655cc single-cylinder engine, known for its reliability and torque delivery. It often came with features like a capable suspension for its class, good fuel range, and a comfortable riding position suitable for longer journeys. Manual Details Coverage Areas Coverage: Complete coverage for Aprilia Pegaso 650 2004 model. Page Count Page Count: Not explicitly stated, but described as 'Complete Manual - No Missing Pages'. Manual Type Manual Type: Workshop Service Repair Manual Language Language: Likely English, based on product description context. Format Format: Digital (likely PDF) given the sales platform (Tradebit). Manual Coverage Systems Covered Systems Covered: Engine mechanicals, fuel system, ignition system, cooling system, lubrication system, exhaust system, transmission, clutch, chassis, suspension (front and rear), brakes (front and rear), electrical system (wiring diagrams, components), instrument cluster, lighting, starting and charging system, bodywork, frame, maintenance procedures, troubleshooting, specifications. Procedures Included Procedures Included: Routine maintenance, scheduled servicing, engine overhaul and rebuilding, clutch inspection and replacement, transmission disassembly and assembly, suspension adjustments and repairs, brake system bleeding and component replacement, electrical system diagnosis and repair, carburetor tuning and cleaning, fuel injection system diagnostics (if applicable), wheel bearing replacement, chain and sprocket maintenance, troubleshooting common issues, torque specifications for all fasteners, detailed diagrams for assembly and disassembly. Technical Depth Technical Depth: Comprehensive, covering everything from basic maintenance checks and fluid changes to full engine and transmission rebuilds, and advanced electrical system diagnostics. Aimed at professional mechanics and experienced DIY enthusiasts. Manual Specifications File Format File Format: PDF (Assumed based on sales platform and common practice for workshop manuals). High-resolution for clarity. Print Quality Print Quality: Printable with clear, sharp diagrams and text. Suitable for professional workshop printing. Binding Type Binding Type: N/A (Digital Format). Paper Type Paper Type: N/A (Digital Format). Engine Specifications Primary Engine Engine Type: Single-cylinder, four-stroke, liquid-cooled, DOHC Engine Displacement: 650 cc (specifically 655 cc for many Pegaso models) Bore X Stroke: Approx. 100 mm x 83.7 mm (typical for this engine family) Performance Horsepower: Approximately 48-50 HP @ 7000 rpm (varies slightly by market and tuning) Torque: Approximately 5.5-6.0 kgf-m (around 54-59 Nm) @ 5200 rpm Fuel System Fuel Delivery: Carburetor (Mikuni VM34 or similar) or Electronic Fuel Injection (EFI) depending on exact sub-model and market. The 2004 model likely transitioned or used EFI. Fuel Type: Unleaded Gasoline Lubrication System Oil Type: API SG or higher, SAE 10W-40 or 10W-50 Motorcycle Oil (Specific viscosity recommended by manual). Oil Capacity: Approx. 2.0-2.5 liters (with oil filter change) Ignition System Ignition Type: Electronic Ignition (CDI or similar digital system) Cooling System Cooling Method: Liquid-cooled Coolant Type: Ethylene Glycol based coolant mixture (50% coolant, 50% distilled water). Transmission Standard Transmission Type: 5-speed constant mesh Optional Clutch Type: Wet, multi-plate, hydraulically actuated Features Final Drive: Chain drive Transmission Oil Type: SAE 75W/90 or SAE 80W/90 GL-5 Gear Oil (Specific recommendation in manual). Transmission Oil Capacity: Approx. 0.9 - 1.1 liters Dimensions Exterior Length: Approx. 2220 mm Width: Approx. 830 mm Height: Approx. 1330 mm Wheelbase: Approx. 1470 mm Weights Dry Weight: Approx. 168 kg Wet Weight: Approx. 186 kg (fully fueled and ready to ride) Fuel Capacity: Approx. 21 liters (including reserve) Suspension Front Suspension Type: Telescopic fork with anti-dive system (e.g., Marzocchi or Paioli) Front Suspension Travel: Approx. 165 mm Rear Suspension Type: Monoshock with progressive linkage Rear Suspension Travel: Approx. 175 mm Wheels And Tires Front Wheel Size: 19-inch spoke wheel Rear Wheel Size: 17-inch spoke wheel Front Tire Size: 100/90-19 Rear Tire Size: 130/80-17 Safety Features Ratings Safety Ratings: Motorcycles are not typically assigned formal crash test ratings like cars. Safety is assessed through rider skill, protective gear, and bike handling characteristics. Active Features Active Safety Features: Effective braking system (often with optional ABS on later models or specific trims), stable chassis geometry, responsive steering, reliable tires. Passive Features Passive Safety Features: Sturdy frame construction, engine crash protection (if fitted), general rider positioning for control. Technology Features Infotainment Infotainment System: Basic motorcycle instrumentation: speedometer, tachometer, odometer, trip meter, fuel gauge, warning lights. No advanced infotainment features. Driver Assistance Driver Assistance Systems: Optional ABS (Anti-lock Braking System) on some variants. No...