🏷️ Basic Information Identification Make: Aprilia Model: Atlantic 125 Model Variant: 125 Year: 2003 Onward Codes Chassis Code Prefix: AP02 👋 Introduction Market Position Segment: Mid-size urban scooter Target Audience: Commuters, city riders seeking practicality and Aprilia's performance heritage. Competitive Analysis Key Competitors: Honda Pantheon 125, Yamaha X-MAX 125, Piaggio X8 125. Key Features Vehicle Design Philosophy: Sporty yet comfortable maxi-scooter offering versatility for urban and light touring use. Manual Value Proposition: Empowers owners and technicians with detailed knowledge for efficient maintenance and repair, reducing reliance on expensive dealer services. 📋 Manual Details Coverage Areas Systems Covered Summary: Engine, Fuel System, Cooling System, Transmission, Chassis, Electrical System, Bodywork, Suspension, Brakes, Troubleshooting, Maintenance Page Count Estimated Page Count: 300+ Manual Type Type: Service Repair Manual Language Language: English Format Format: Instant Download (likely PDF) 📖 Manual Coverage Systems Covered Engine Mechanical: Complete engine disassembly, inspection, repair, and reassembly including cylinder, piston, crankshaft, connecting rod, valves, and timing components. Fuel System: Carburetor tuning, cleaning, and repair; fuel pump operation; fuel filter replacement. Cooling System: Radiator, coolant circulation, thermostat operation, fan assembly, and coolant flush procedures. Transmission Drivetrain: Automatic transmission (CVT) operation, fluid checks, belt inspection, clutch assembly, and final drive maintenance. Chassis Frame: Frame inspection, steering system maintenance, and component mounting. Electrical System: Complete wiring diagrams, battery maintenance, lighting system, starter motor, ignition system, and charging system troubleshooting. Suspension: Front fork overhaul, rear shock absorber inspection and replacement, and linkage maintenance. Brakes: Front and rear brake caliper service, disc replacement, brake pad replacement, hydraulic system bleeding, and master cylinder inspection. Bodywork Panels: Fairing removal and installation, seat adjustment, and minor body panel repairs. Procedures Included Routine Maintenance: Oil changes, filter replacements, spark plug service, air filter cleaning/replacement, and brake fluid checks. Troubleshooting: Diagnostic procedures for common mechanical and electrical issues, including symptom-based troubleshooting guides. Rebuilding Procedures: Detailed step-by-step instructions for rebuilding major components such as the engine and transmission. Wiring Repair: Specific instructions for diagnosing and repairing electrical faults, including wire splicing and connector service. Technical Depth Depth Of Coverage: Comprehensive workshop-level detail, suitable for professional mechanics and experienced DIY enthusiasts. Diagrams Illustrations: Includes detailed diagrams and step-by-step illustrations for all repair and maintenance procedures. 📊 Manual Specifications File Format Digital Format: PDF Searchability: Likely text-searchable PDF for quick information retrieval. Print Quality Print Readability: Designed for clear printing with sharp text and legible diagrams. Binding Type Physical Binding If Printed: N/A (Digital Download) Paper Type Physical Paper Type If Printed: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Four-stroke, single-cylinder, liquid-cooled Displacement: 124 cc Bore X Stroke: 57 mm x 48.6 mm (Approximate, confirm in manual) Compression Ratio: 12.0:1 (Approximate, confirm in manual) Performance Horsepower: Approx. 15 HP @ 8500 RPM (confirm in manual) Torque: Approx. 11 Nm @ 7000 RPM (confirm in manual) Fuel System Fuel Delivery: Carburetor (e.g., Dell'Orto PHBH 28) Fuel Type: Unleaded gasoline Lubrication Oil Type: SAE 10W-40, API SG or higher (Confirm exact specification and API classification in manual) Oil Capacity: Approx. 1.0 Liters (with filter change, confirm in manual) 🔧 Transmission Standard Transmission Type: Automatic (CVT - Continuously Variable Transmission) Features Clutch Type: Automatic centrifugal clutch Final Drive: Belt drive to rear wheel 📐 Dimensions Exterior Length: Approx. 2000 mm (Confirm in manual) Width: Approx. 730 mm (Confirm in manual) Height: Approx. 1350 mm (Seat height, confirm in manual) Weights Dry Weight: Approx. 145 kg (Confirm in manual) Gross Vehicle Weight Rating: N/A (Typically not specified for scooters, but max load can be found in manual) Tires Front Tire Size: 120/70-14 (Confirm in manual) Rear Tire Size: 130/60-13 (Confirm in manual) Wheels Wheel Bolt Pattern: N/A (Scooter wheels typically use integrated hubs) 🛡️ Safety Features Ratings Crash Test Results: N/A (Motorcycle/scooter safety ratings differ from cars; manual focuses on mechanical safety aspects). Active Features Braking System: Front: Disc brake with 2-piston caliper; Rear: Disc brake with 1-piston caliper (Some models may have combined braking). Passive Features Lighting: Halogen headlight, taillight, turn signals. 💡 Technology Features Infotainment Dashboard Features: Analog speedometer, tachometer, fuel gauge, odometer, trip meter, indicator lights for turn signals, high beam, oil pressure. Driver Assistance ABS: ABS was typically an optional feature or not widely available on the 125cc models of this generation. Manual would detail its operation if equipped. Connectivity Remote Features: May include a remote key fob for unlocking the seat or ignition, depending on the specific trim level. 🔧 Maintenance Service Intervals Engine Oil Change: Every 4,000 km or 6 months (Confirm exact interval in manual). Air Filter Inspection: Every 4,000 km or 6 months; replacement as needed (Confirm in manual). Spark Plug Replacement: Every 8,000 km or 12 months (Confirm specific plug type and interval in manual). Transmission Oil Change: Typically every 12,000 km or 24 months for final drive oil (Confirm in manual). Fluid Specifications Coolant...