🏷️ Basic Information Identification Make: Aprilia Model: Atlantic 125 Year: 2005 Codes Engine Code: M220M Chassis Code: AP03A 👋 Introduction Market Position Segment: Mid-size scooter, positioned for urban commuting and light touring. Competitive Analysis Competitors 2005: Honda SH125, Piaggio Liberty 125, Yamaha X-MAX 125, Kymco People 125. Key Features Scooter Design: Maxi-scooter styling with comfortable ergonomics, large under-seat storage, and a robust chassis. Manual Utility: Provides detailed instructions for maintaining and repairing the Atlantic 125, crucial for ensuring longevity and optimal performance. 📋 Manual Details Coverage Areas General Coverage: Full service, repair, and maintenance for the Aprilia Atlantic 125 (2005 model year). Page Count Estimated Pages: 200+ Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: Digital (likely PDF, searchable) 📖 Manual Coverage Systems Covered Engine: Engine assembly, disassembly, tuning, lubrication, cooling system, fuel system, ignition system, exhaust system. Transmission: Automatic CVT transmission operation, maintenance, and repair. Chassis And Frame: Frame, bodywork, fairings, seat, storage compartment, suspension (front and rear), steering. Brakes: Front and rear brake systems (disc brakes), hydraulic circuits, brake fluid, caliper maintenance, bleeding procedures. Electrical: Wiring diagrams, battery, starter motor, alternator/generator, lighting system (headlight, taillight, turn signals), instrumentation, fuses, relays. Fuel And Exhaust: Fuel tank, fuel pump, fuel lines, carburetor/fuel injection system (depending on specific sub-model), exhaust pipe, muffler. Wheels And Tires: Wheel removal and installation, tire replacement, balancing, wheel specifications. Procedures Included Maintenance: Routine service, oil changes, filter replacements (oil, air, fuel), spark plug inspection/replacement, chain adjustment (if applicable), brake pad inspection/replacement. Repair: Component-level repair and replacement for all major systems, including engine rebuilds, transmission servicing, electrical fault finding. Troubleshooting: Diagnostic procedures and solutions for common mechanical and electrical problems. Adjustments: Carburetor/fuel injection adjustments, idle speed settings, brake lever free play adjustments. Technical Depth Depth: Comprehensive, from basic maintenance to complete engine and transmission overhauls. Suitable for professional mechanics and advanced DIY users. 📊 Manual Specifications File Format Digital Format: PDF (Portable Document Format), enabling easy viewing and searching. Print Quality Resolution: High-resolution scans, ensuring clarity of diagrams and text. Binding Type Binding: N/A (Digital) Paper Type Paper Type: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Type: Four-stroke, liquid-cooled, single-cylinder Displacement: 124.9 cc (cc) Bore X Stroke: 52 mm x 58.6 mm Compression Ratio: 11.2:1 Performance Power Output: Approx. 14.3 HP @ 9,000 RPM (figures may vary by market/tuning) Torque Output: Approx. 11.2 Nm @ 7,000 RPM (figures may vary by market/tuning) Fuel System Fuel Delivery: Carburetor (e.g., Dell'Orto PHVA 26 or similar) or Electronic Fuel Injection (EFI) depending on exact market variant. Manual covers either. Fuel Type: Unleaded gasoline (min. 95 RON recommended) Ignition Ignition System: Electronic ignition, CDI (Capacitor Discharge Ignition) Cooling System Cooling Method: Liquid-cooled Lubrication Oil Type Recommendation: API SG or higher, SAE 10W-40 or 5W-40 synthetic blend motorcycle oil. 🔧 Transmission Standard Type: Automatic Continuously Variable Transmission (CVT) with dry clutch. Features Gear Ratios: Continuously variable via drive and driven pulleys. Final Drive: Gear drive. Fluid Specifications Transmission Fluid Type: No specific transmission fluid; uses engine oil for lubrication of gearbox and final drive. 📐 Dimensions Exterior Length: Approx. 2,170 mm Width: Approx. 790 mm Height: Approx. 1,430 mm Wheelbase: Approx. 1,510 mm Weights Dry Weight: Approx. 165 kg Gross Vehicle Weight Rating: Approx. 315 kg Cargo Storage Capacity: Under-seat storage compartment, sufficient for one full-face helmet and small items. 🛡️ Safety Features Ratings Crash Test Ratings: N/A (Motorcycle/Scooter safety is assessed through different standards than cars). Active Features Braking System: Front and rear disc brakes for reliable stopping power. Lighting: Halogen headlight, LED taillight and turn signals for visibility. Passive Features Chassis Stability: Robust frame design contributing to stable handling. 💡 Technology Features Infotainment Dashboard: Analogue speedometer, tachometer, fuel gauge, engine temperature gauge, odometer, trip meter, and warning lights. Driver Assistance ABS: ABS was not a standard feature on the 2005 Atlantic 125 model. Connectivity Connectivity Features: N/A (Basic scooter design) 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000 km or 6 months, whichever comes first. (Refer to manual for exact specification). Air Filter Replacement: Inspect every 10,000 km, replace as needed. (Refer to manual). Spark Plug Replacement: Inspect every 10,000 km, replace as needed. (Refer to manual for specific plug type). Brake Fluid Change: Every 2 years or as recommended. (Refer to manual for DOT specification). Fluid Specifications Engine Oil Capacity: Approx. 1.1 liters (without filter change), 1.2 liters (with filter change). (Verify in manual). Coolant Type: Ethylene glycol-based coolant, 50% mixture with distilled water. Brake Fluid Specification: DOT 4 Known Issues Common Wear Items: Drive belt, clutch shoes, and variator rollers in the CVT system can wear over time. Check for smooth operation and vibrations. Fuel pump can be a point of failure on some models. Electrical Gremlins: While not inherently problematic, older wiring can degrade; checking connections and grounds is crucial for...