🏷️ Basic Information Identification Make: Aprilia Model: Atlantic 125 Model Variant: Standard Generation Generation Code: First Generation (Pre-2007) Codes Engine Code: M361M (typically for Piaggio LEADER engine) 👋 Introduction Market Position Market Position: Mid-size urban scooter, popular for commuting and light touring, competing with models from Yamaha (X-MAX), Honda (SH125i), and Kymco. Competitive Analysis Competitive Analysis: The Atlantic 125 offered a balance of performance, comfort, and Italian styling, with a focus on practicality for European urban environments. Its chassis and suspension were generally well-regarded. Key Features Key Features: Underseat storage, comfortable seating for two, effective braking system, reliable Piaggio engine. Target Audience Target Audience: DIY mechanics, motorcycle technicians, and Aprilia Atlantic 125 owners seeking to perform maintenance and repairs. 📋 Manual Details Coverage Areas Coverage Areas: Complete workshop service and repair Page Count Page Count: Hundreds of pages (exact count not specified but implied to be comprehensive) Manual Type Manual Type: Workshop Service Repair Manual Language Language: English (presumed based on typical market distribution) Format Format: Digital Download (printable) 📖 Manual Coverage Systems Covered Systems Covered: Engine, Fuel System, Ignition System, Cooling System, Transmission, Clutch, Brakes, Suspension, Steering, Electrical System, Chassis, Bodywork, Instrumentation, Lubrication, Troubleshooting Procedures Included Procedures Included: Routine maintenance, disassembly, assembly, inspection, repair, adjustment, diagnostic procedures, electrical troubleshooting, component replacement, torque specifications Technical Depth Technical Depth: Comprehensive: From basic servicing and adjustments to complete engine rebuilds, electrical system diagnostics, and frame repairs. Electrical System Coverage Electrical System Coverage: Detailed wiring diagrams, troubleshooting guides for lighting, ignition, starting system, charging system, and instrument cluster. Chassis And Bodywork Coverage Chassis And Bodywork Coverage: Frame inspection and repair, front fork and rear shock absorber removal and installation, body panel removal and fitting, headlight and taillight assembly. Troubleshooting Guides Troubleshooting Guides: Diagnostic procedures for common starting, running, and electrical issues, including symptom-to-cause tables. Torque Specifications Torque Specifications: Comprehensive torque values for all critical fasteners, including engine mounting bolts, suspension components, brake caliper bolts, and bodywork. Engine Overhaul Engine Overhaul: Includes procedures for cylinder head removal, piston replacement, crankshaft inspection, valve clearance adjustment, and reassembly. 📊 Manual Specifications File Format File Format: PDF (typically for digital downloads) Print Quality Print Quality: High resolution, suitable for professional printing Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Manual Completeness Manual Completeness: Complete official factory service manual, providing all necessary information for diagnosis, maintenance, and repair. ⚙️ Engine Specifications Primary Engine Engine Type: Four-stroke, liquid-cooled, SOHC Displacement: 124.9 cc (approximately) Bore X Stroke: 52.0 mm x 58.6 mm (typical for Piaggio LEADER 125 engine) Compression Ratio: 11.5:1 (typical) Power Output: Approx. 15 HP @ 8,250 rpm (exact figure may vary slightly by specific engine tuning and market) Torque: Approx. 12.7 Nm @ 6,500 rpm (exact figure may vary slightly) Performance Top Speed: Approx. 110-115 km/h Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) - typically Piaggio's electronic injection system Fuel Type: Unleaded gasoline (95 RON recommended) Fuel Tank Capacity: 9.2 Liters (including reserve) Cooling System Cooling Type: Liquid-cooled Lubrication System Oil Type: SAE 5W-40 Synthetic or Semi-synthetic motorcycle oil meeting API SG/JASO MA specifications. Oil Capacity: Approx. 1.1 - 1.2 Liters (including oil filter change) Engine Layout Engine Layout: Single cylinder, 4-stroke Starting System Starting System: Electric starter Ignition System Ignition Type: Electronic ignition (CDI or similar EFI controlled) 🔧 Transmission Standard Transmission Type: Automatic Continuously Variable Transmission (CVT) Clutch Type: Automatic centrifugal clutch Features Gear Reduction: Integrated final drive with gears 📐 Dimensions Exterior Length: Approx. 2100 mm Width: Approx. 780 mm Height: Approx. 1360 mm (to top of windshield) Wheelbase: Approx. 1500 mm Seat Height: Approx. 780 mm Ground Clearance: Approx. 120 mm Weights Dry Weight: Approx. 170 kg Gross Vehicle Weight Rating: Approx. 330 kg Cargo Underseat Storage: Sufficient for one full-face helmet and some smaller items. 🛡️ Safety Features Ratings Safety Ratings: N/A (Motorcycles and scooters typically do not receive standardized crash test ratings like automobiles) Active Features Active Features: Front and rear disc brakes, integrated braking system (linking front and rear brakes with a single lever, depending on market configuration) Passive Features Passive Features: Handlebar protection, integrated lighting, mirrors Braking System Front Brake Type: Hydraulic disc brake, twin piston caliper Front Brake Diameter: 260 mm Rear Brake Type: Hydraulic disc brake, single piston caliper Rear Brake Diameter: 220 mm Wheels And Tires Front Tire Size: 110/70-16 Rear Tire Size: 130/70-16 Wheel Type: Alloy wheels 💡 Technology Features Infotainment Infotainment System: Basic analog dashboard with speedometer, odometer, fuel gauge, and warning lights. No advanced infotainment features. Driver Assistance Driver Assistance Features: N/A (Standard scooter features) 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000 - 6,000 km or annually, whichever comes first. Air Filter Check Interval: Every 5,000 km Spark Plug Replacement Interval: Every 10,000 km Cvt Belt Inspection: Every 10,000 km Coolant Flush Interval: Every...