🏷️ Basic Information Identification Make: Aprilia Model: Pegaso 655 Model Years Covered: 1995, 1996, 1997, 1998, 1999, 2000 Codes Engine Code: Unspecified (likely Rotax-based single cylinder) 👋 Introduction Market Position Vehicle Segment: Dual-sport motorcycle Key Features Engine Type: Single-cylinder, four-stroke engine (likely Rotax 654cc or similar). Design Philosophy: Versatile dual-purpose design for on-road and light off-road use. Historical Significance: Represents Aprilia's entry and expansion in the dual-sport market during the 1990s. 📋 Manual Details Coverage Areas Manual Type: Full Service Repair Manual Language: English Format: PDF (Downloadable) Page Count Page Count: Unspecified (Comprehensive content implies significant page count) 📖 Manual Coverage Systems Covered Engine Overhaul: Complete disassembly, inspection, repair, and reassembly of the engine. Fuel System: Carburetor adjustment, cleaning, and rebuilding; fuel pump; fuel lines. Ignition System: Spark plugs, coils, CDI unit, timing. Cooling System: Radiator, fan, hoses, thermostat, coolant specifications. Transmission And Drivetrain: Clutch operation, gearbox disassembly and assembly, chain and sprockets. Brakes: Hydraulic system, caliper service, pad replacement, fluid specifications. Suspension: Front fork service, rear shock absorber, linkage maintenance. Electrical System: Wiring diagrams, battery, charging system, lighting, starter, instrument cluster. Chassis And Frame: Frame inspection, steering head bearing service. Bodywork And Trim: Fairing removal and installation, seat, tank, fenders. Procedures Included Scheduled Maintenance: Detailed service intervals for oil changes, filter replacements, valve adjustments, etc. Troubleshooting: Systematic diagnostic procedures for common and uncommon problems. Repair Procedures: Step-by-step instructions for all major component repairs. Rebuilding Procedures: Comprehensive guidance for rebuilding major assemblies like the engine or carburetor. Restoration Guidance: Information applicable to refurbishing and restoring older models. Technical Depth Diagnostic Capabilities: Advanced diagnostics covering electrical faults and mechanical issues. Detail Level: Detailed sub-steps, notes, cautions, and warnings for critical information. Illustrations And Diagrams: Detailed illustrations, drawings, photos, and wiring diagrams for clear guidance. Target Audience: Professional technicians and experienced DIY mechanics. 📊 Manual Specifications File Format File Format: PDF Print Quality: Full Printable Digital Requirements: Adobe PDF Reader & WinRAR Compatibility: All Versions of Windows & Mac Delivery Delivery Method: Instant Download ⚙️ Engine Specifications Primary Engine Engine Displacement: Approx. 650cc (specifically '655' likely refers to 654cc) Engine Configuration: Single-cylinder, four-stroke Bore X Stroke: Unspecified in product info, but typical for 650cc singles of the era. Compression Ratio: Unspecified in product info. Performance Horsepower: Approx. 40-50 HP (estimated for this class of engine) Torque: Approx. 50-55 Nm (estimated for this class of engine) Fuel System Fuel Delivery: Carburetor (likely a single large-bore unit, e.g., Dell'Orto PHM or similar) Fuel Type: Unleaded gasoline Ignition System Ignition Type: Electronic Ignition (CDI) 🔧 Transmission Standard Transmission Type: 5-speed manual Clutch Type: Wet, multi-plate Features Final Drive: Chain drive 📐 Dimensions Exterior Length: Unspecified in product info. Width: Unspecified in product info. Height: Unspecified in product info. Weights Dry Weight: Approx. 170-180 kg (estimated) Wet Weight: Approx. 190-200 kg (estimated) 🛡️ Safety Features Ratings Safety Features: Disc brakes front and rear. 💡 Technology Features Infotainment Instrument Cluster: Analog speedometer, tachometer, odometer, trip meter, and indicator lights. Driver Assistance ABS: Not typically equipped on models of this era unless as a rare optional feature. Connectivity Charging Port: Unlikely to be standard. 🔧 Maintenance Service Intervals Oil Change Interval: Refer to manual for specific mileage/time interval (typically 5,000-7,500 km). Valve Adjustment Interval: Refer to manual for specific mileage/time interval (typically 10,000-15,000 km). Fluid Specifications Engine Oil Type: Refer to manual for specific API/JASO classification and viscosity grade (e.g., 10W-40). Coolant Type: Ethylene glycol based antifreeze mixture (refer to manual for specific ratio and type). Brake Fluid Type: DOT 4 or DOT 5.1 (refer to manual for precise specification). Known Issues Common Wear Items: Clutch plates, fork seals, exhaust gasket, voltage regulator. Electrical Gremlins: Wiring harness wear and corrosion can lead to intermittent electrical faults. Carburetor Issues: Can be prone to clogging if fuel is not clean or if the bike sits for extended periods. 📚 Vehicle History Brand Heritage Manufacturer: Aprilia S.p.A. - Italian motorcycle manufacturer known for performance and racing heritage. Model Evolution Pegaso Lineage: The Pegaso line was Aprilia's entry into the adventure/dual-sport segment, often utilizing Rotax engines. Production Manufacturing Period: 1995-2000 for the specific model covered by this manual. 🏆 Awards & Recognition Recognitions Market Reception: Generally well-regarded for its ruggedness and versatility in its segment during the late 90s.