🏷️ Basic Information Identification Make: Aprilia Model: Atlantic 125 Model Variant: Scooter Engine Type: Four-stroke, single-cylinder Engine Displacement: 125cc Chassis Code: AP06 Codes Product Sku: APR-ATL125-0306 👋 Introduction Market Position Market Segment: Lightweight scooter market, aimed at urban commuting and accessible motorcycling. Target Audience: New riders, commuters, individuals seeking economical and maneuverable transportation. Competitive Analysis Competitors: Piaggio Liberty 125, Honda SH125, Yamaha X-Max 125 (depending on specific market and year). Key Features Design Philosophy: Comfortable ride, practicality for urban use, distinctive Aprilia styling. Engine Performance: Adequate power for city speeds, good fuel efficiency. Storage: Under-seat storage, typically accommodating a full-face helmet. 📋 Manual Details Coverage Areas Covered Years: 2003, 2004, 2005, 2006 Region Coverage: Global (assumed, based on Aprilia's typical market presence) Page Count Total Pages: 226 Manual Type Type: Workshop Service Repair Manual Purpose: Diagnosis, Repair, Maintenance, Overhaul Language Language: English (assumed, standard for most international manuals) Format Format: PDF Delivery Method: Instant Digital Download 📖 Manual Coverage Systems Covered Engine: Detailed engine assembly, disassembly, inspection, and repair procedures for the 125cc 4-stroke engine. Fuel System: Carburetor tuning, fuel pump, fuel lines, fuel tank inspection and maintenance. Ignition System: Spark plug, ignition coil, CDI unit, wiring diagrams and troubleshooting. Cooling System: Radiator, water pump, coolant hoses, thermostat operation and maintenance. Transmission: Automatic CVT (Continuously Variable Transmission) system, clutch, drive belt inspection and replacement, gearbox components. Braking System: Hydraulic disc brakes (front and rear), brake calipers, master cylinders, brake pads, brake fluid replacement and bleeding procedures. Suspension: Front telescopic forks (fork seal replacement, oil level and type specifications), rear shock absorber(s) and swingarm maintenance. Electrical System: Battery, charging system (stator, regulator/rectifier), starter motor, lighting (headlight, taillight, turn signals), horn, wiring diagrams, fuses. Exhaust System: Muffler, exhaust pipes, gaskets, inspection and replacement. Chassis And Frame: Frame inspection, steering head bearings, body panel removal and installation, seat assembly. Wheels And Tires: Wheel bearing inspection and replacement, tire pressure specifications, rim maintenance. Procedures Included Routine Maintenance: Oil change intervals, oil filter replacement, air filter cleaning/replacement, spark plug replacement, coolant level checks, brake fluid checks, drive belt inspection. Troubleshooting: Diagnostic procedures for common starting issues, running problems, electrical faults, and performance degradation. Major Repairs: Engine rebuilds, transmission overhauls, carburetor rebuilds, electrical system component replacement. Component Replacement: Step-by-step guides for replacing parts such as brake pads, clutch levers, throttle cables, lights, mirrors, and body panels. Torque Specifications: Essential torque values for critical fasteners across all systems (e.g., engine bolts, wheel nuts, brake caliper bolts). Wiring Diagrams: Comprehensive electrical system wiring diagrams for easy identification and tracing of circuits. Technical Depth Depth Level: Comprehensive Diagnostic Tools: Information on specific tools or techniques recommended for diagnosis (e.g., multimeter usage for electrical checks). Special Tools: Identification of any specific tools required for certain procedures (e.g., clutch holding tools, valve adjustment shims). 📊 Manual Specifications File Format File Type: PDF (Portable Document Format) Searchability: Likely text-searchable PDF, allowing for quick keyword lookup. Print Quality Clarity: High-resolution, ensuring clarity of text, diagrams, and images. Reproducibility: Printable, allowing users to print specific sections or the entire manual. Binding Type Binding Type: N/A (Digital download, no physical binding) Paper Type Paper Type: N/A (Digital download, no physical paper) ⚙️ Engine Specifications Primary Engine Engine Family: Piaggio LEADER 125 Bore X Stroke: 52 mm x 58.6 mm (Typical for LEADER 125, confirm with manual) Compression Ratio: 11.0:1 (Typical for LEADER 125, confirm with manual) Valve Train: SOHC, 4 valves Cooling System: Liquid-cooled Performance Peak Horsepower: ~14.8 hp @ 9,750 rpm (Estimated for LEADER 125, confirm with manual) Peak Torque: ~11.5 Nm @ 8,000 rpm (Estimated for LEADER 125, confirm with manual) Fuel System Carburetor Type: Dell'Orto PHBH 28 (Typical, confirm with manual) Fuel Type: Unleaded gasoline 95 RON (Research Octane Number) 🔧 Transmission Standard Type: Automatic CVT Drive Mechanism: V-belt Features Clutch Type: Automatic centrifugal clutch Gear Reduction: Automatic, continuously variable ratios. 📐 Dimensions Exterior Length: ~2060 mm (Approximate for Atlantic 125) Width: ~770 mm (Approximate for Atlantic 125) Height: ~1400 mm (Approximate for Atlantic 125, including windscreen) Weights Dry Weight: ~155 kg (Approximate for Atlantic 125) Gross Vehicle Weight Rating: Refer to manual for exact specification Fuel Tank Capacity: 10 Liters (Approximate for Atlantic 125) 🛡️ Safety Features Ratings Crash Test Ratings: N/A for scooters of this era, focus is on maneuverability and braking performance. Active Features Brakes: Front and rear disc brakes provide responsive stopping power. Lighting: Standard headlight, taillight, and turn signals for visibility. Passive Features Frame Construction: Robust frame designed for stability and rider safety. Ergonomics: Designed for comfortable rider control and reduced fatigue. 💡 Technology Features Infotainment Dashboard: Analog speedometer, tachometer, fuel gauge, odometer, trip meter, and indicator lights (e.g., oil, battery, turn signals). Driver Assistance ABS: ABS (Anti-lock Braking System) was not a standard feature on the 125cc model during these years, but may have been an...