The Atlantic 125 and 200 scooters, produced in 2004, represent a significant offering in the mid-size maxi-scooter segment. Known for their comfortable seating, ample storage, and aerodynamic fairings, these Italian-engineered machines are designed to provide a balanced blend of urban agility and highway capability. With engine options of 124.9 cc and 198 cc, both featuring liquid-cooled, SOHC, 4-valve configurations and automatic CVT transmissions, the Atlantic series emphasizes smooth power delivery and reliable performance for commuters and urban riders. The brand's heritage in motorcycling contributes to the Atlantic's reputation for solid handling and a quality build. This comprehensive workshop manual provides detailed service and repair instructions for the Atlantic 125 and 200 scooters. Covering all essential systems, including engine mechanics, fuel, ignition, cooling, exhaust, transmission, brakes, suspension, steering, electrical components, and chassis, this manual is an indispensable resource. It includes step-by-step procedures for scheduled maintenance, troubleshooting common issues, engine and transmission repairs, brake and suspension servicing, and electrical diagnostics, along with crucial technical specifications, torque values, and clearances. This manual is tailored to assist owners, mechanics, and technicians in maintaining and repairing the vehicle effectively. 🏷️ Basic Information Identification Make: Aprilia Model: Atlantic 125 / 200 Year: 2004 Vehicle Type: Scooter Codes Engine Code 125: LEADER M208M Engine Code 200: LEADER M320M 👋 Introduction Market Position Segment: Mid-size maxi-scooter Target Audience: Commuters, urban riders seeking comfort and practicality. Competitive Analysis Key Competitors: Yamaha X-MAX, Suzuki Burgman, Honda SH series (depending on market). Key Features Design: Comfortable seating, ample under-seat storage, aerodynamic fairing for rider protection. Engine Performance: Offers a balance of urban maneuverability and highway capability. Handling: Designed for stable and comfortable riding characteristics. 📋 Manual Details Coverage Areas Manual Coverage: Comprehensive service and repair instructions Page Count Page Count: Estimated 300-400 pages (typical for this type of manual) Manual Type Manual Type: Workshop Manual / Service Manual / Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, disassembly, inspection, maintenance, repair of all internal and external components. Fuel System: Carburetor (or fuel injection for specific markets), fuel pump, fuel lines, fuel filter, fuel tank. Ignition System: CDI unit, ignition coil, spark plug, wiring. Cooling System: Radiator, coolant hoses, thermostat, water pump, fan. Exhaust System: Exhaust pipes, muffler, catalytic converter (if applicable). Transmission Drivetrain: CVT (Continuously Variable Transmission) assembly, drive belt, pulleys, clutch, gearbox (if applicable). Brakes: Hydraulic brake system, front and rear brake calipers, master cylinders, brake lines, brake pads, brake discs, parking brake. Suspension: Front fork assembly, rear shock absorber(s), swingarm, linkage (if applicable). Steering: Handlebar, steering stem, headstock bearings. Electrical System: Battery, starter motor, alternator/stator, lighting system (headlight, taillight, turn signals), horn, wiring diagrams, fuses, relays. Chassis Frame: Frame inspection, mounting points, removal and installation of major chassis components. Bodywork Trim: Fairings, seat, floorboards, storage compartments, plastics, graphics. Procedures Included Scheduled Maintenance: Oil changes, filter replacements, spark plug checks/replacement, air filter cleaning/replacement, brake fluid checks/replacement, coolant checks/replacement, drive belt inspection/replacement. Troubleshooting: Diagnostic procedures for common problems, fault finding guides, symptom-based solutions. Engine Repair: Piston and cylinder inspection/replacement, valve clearance adjustment, crankshaft and connecting rod checks, head gasket replacement. Transmission Repair: CVT component inspection, drive belt tensioning and replacement, clutch adjustment. Brake Service: Brake pad replacement, caliper servicing, master cylinder bleeding, brake fluid flush. Suspension Service: Front fork oil change and seal replacement, rear shock absorber inspection and replacement. Electrical Diagnostics: Wiring harness inspection, component testing (starter, stator, etc.), troubleshooting electrical faults using wiring diagrams. Bodywork Removal Installation: Step-by-step instructions for removing and reinstalling fairings, panels, and trim. Technical Depth Depth: Detailed technical procedures suitable for professional mechanics and experienced DIY enthusiasts. Torque Specifications: Includes torque values for all critical fasteners. Clearances Tolerances: Specifications for valve clearances, piston ring gaps, bearing clearances, etc. Wiring Diagrams: Comprehensive electrical system wiring diagrams. 📊 Manual Specifications File Format File Format: PDF Searchability: Likely text-searchable (if professionally produced/scanned). Print Quality Print Quality: Designed for clear printing of text and diagrams. Binding Type Binding Type: N/A (Digital PDF Download) Paper Type Paper Type: N/A (Digital PDF Download) ⚙️ Engine Specifications Primary Engine Engine Type 125: 4-stroke, liquid-cooled, SOHC, 4-valve Engine Type 200: 4-stroke, liquid-cooled, SOHC, 4-valve Displacement 125: 124.9 cc Displacement 200: 198 cc Bore X Stroke 125: 57 mm x 48.6 mm (approximate) Bore X Stroke 200: 69 mm x 53.2 mm (approximate) Compression Ratio: 12.5:1 (typical for LEADER engines) Performance Horsepower 125: Approx. 15 HP @ 8,250 RPM Horsepower 200: Approx. 21 HP @ 8,250 RPM Torque 125: Approx. 12.3 Nm @ 7,000 RPM Torque 200: Approx. 18.2 Nm @ 6,500 RPM Fuel System Fuel Delivery 125: Carburetor (likely a 30mm Mikuni or similar) Fuel Delivery 200: Carburetor (likely a 32mm or 34mm Keihin/Mikuni or similar) Fuel Type: Unleaded gasoline (RON 95 or higher) Fuel Tank Capacity: Approx. 9.5 Liters 🔧 Transmission Standard...