🏷️ Basic Information Identification Make: Aprilia Model: Leonardo Year: 1997 Variant: 125 Codes Engine Code: Rotax 125cc (likely 2-stroke, liquid-cooled, single-cylinder) 👋 Introduction Market Position Market Segment: Lightweight scooter, popular for urban commuting and short-distance travel. Competitive Analysis Competitors: Competed with other 125cc scooters from brands like Piaggio (Zip, Liberty), Yamaha (Jog, Axis), Honda (Dio, Lead). Key Features Design: Sporty styling, comfortable seating, under-seat storage, agile handling. Engine Type: Performance-oriented 2-stroke engine, known for its punchy acceleration. 📋 Manual Details Coverage Areas Systems Covered: Engine, Transmission, Fuel System, Ignition System, Cooling System, Electrical System, Chassis, Suspension, Brakes, Bodywork, Troubleshooting, Maintenance Page Count Page Count: Likely 200-300 pages (typical for a comprehensive service manual of this era) Manual Type Manual Type: Service Repair Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Engine Mechanical: Complete disassembly and reassembly of the 125cc Rotax engine, including cylinder, piston, crankshaft, connecting rod, bearings, seals, and gaskets. Fuel System: Carburetor adjustment and overhaul (likely Dell'Orto or similar), fuel lines, fuel pump, fuel filter. Ignition System: CDI ignition system, spark plug specifications, ignition timing, troubleshooting ignition faults. Cooling System: Radiator, coolant flow, water pump, thermostat, fan operation, coolant specifications, bleeding procedures. Transmission Drivetrain: Automatic transmission (likely CVT - Continuously Variable Transmission), clutch operation, variator, torque converter, drive belt inspection and replacement, final drive. Electrical System: Wiring diagrams, battery specifications, charging system (alternator/stator), starter motor, lighting, horn, switches, fuses, troubleshooting electrical circuits. Chassis Frame: Frame inspection, welding points, steering head bearings, center stand, side stand. Suspension Front: Front fork overhaul, oil specifications, seal replacement, spring rates, damping adjustments. Suspension Rear: Rear shock absorber specifications, adjustment, linkage lubrication, swingarm bearings. Brakes Front: Front brake caliper service, brake pad replacement, master cylinder overhaul, brake fluid specifications (DOT 4), bleeding procedures, rotor specifications. Brakes Rear: Rear brake caliper service, brake pad replacement, master cylinder overhaul, brake fluid specifications (DOT 4), bleeding procedures, rotor specifications. Wheels Tires: Wheel bearing inspection and replacement, tire pressure specifications, recommended tire sizes. Bodywork Fairings: Panel removal and installation, fairing repair, seat removal, storage compartment access. Procedures Included Routine Maintenance: Oil change intervals and specifications, air filter cleaning/replacement, spark plug replacement, chain/belt adjustment, brake adjustments. Engine Rebuild: Detailed step-by-step instructions for full engine disassembly, inspection, component replacement (piston, rings, bearings, seals), and reassembly with torque specifications. Carburetor Overhaul: Complete carburetor disassembly, cleaning, reassembly, jetting adjustments, and idle speed settings. Brake System Service: Bleeding the brake system, replacing brake pads and rotors, servicing brake calipers and master cylinders. Suspension Fork Rebuild: Front fork oil change, seal replacement, and general overhaul procedures. Electrical Troubleshooting: Diagnosis of common electrical issues using wiring diagrams and multimeter testing. Troubleshooting Guides: Diagnostic flowcharts and symptom-based troubleshooting for various mechanical and electrical problems. Technical Depth Depth Level: Comprehensive, covering everything from basic maintenance to full engine and transmission rebuilds, including advanced diagnostics. 📊 Manual Specifications File Format File Format: PDF Print Quality Print Quality: High-resolution scans of original manual pages, ensuring clarity of text and diagrams. Binding Type Binding Type: N/A (Digital Format) Paper Type Paper Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: 2-stroke, liquid-cooled, single-cylinder, Rotax Displacement: 124.8 cc (125cc class) Bore X Stroke: Approximately 54 mm x 54.5 mm (typical for this engine) - specific data may vary, check manual. Compression Ratio: Likely around 7.0:1 to 8.0:1 (for 2-stroke) - specific data in manual. Performance Horsepower Output: Approx. 14-15 HP at 7,500-8,500 RPM (estimated, performance tuning can vary) Torque Output: Approx. 1.3-1.4 kgf-m at 7,000-7,500 RPM (estimated) Fuel System Carburetor Model: Likely Dell'Orto PHVB 26 or similar Fuel Delivery: Carburetor Fuel Type: Unleaded gasoline (RON 95 or higher recommended) Oil Mixing: Automatic oil injection system Lubrication Engine Oil Type: 2-stroke specific engine oil (e.g., Motul 510, Castrol Power 1 TTS) - specific viscosity (e.g., SAE 7.5W-30) and API rating (e.g., API TC, JASO FD) in manual. Transmission Oil Type: Gear oil (e.g., SAE 80W-90) - specific capacity and API GL-4 rating in manual. 🔧 Transmission Standard Transmission Type: Automatic (CVT - Continuously Variable Transmission) Optional Optional Transmissions: N/A (CVT was standard for this model) Features Clutch Type: Centrifugal automatic clutch Drive Belt: V-belt drive system Final Drive: Gear reduction drive 📐 Dimensions Exterior Length: Approx. 1900-2000 mm (estimate, specific dimensions in manual) Width: Approx. 700-750 mm (estimate, specific dimensions in manual) Height: Approx. 1200-1250 mm (estimate, specific dimensions in manual) Wheelbase: Approx. 1350-1380 mm (estimate, specific dimensions in manual) Weights Dry Weight: Approx. 120-130 kg (estimate, specific weight in manual) Fuel Tank Capacity: Approx. 8-10 liters (estimate, specific capacity in manual) 🛡️ Safety Features Ratings Safety Ratings: Not applicable for this vehicle category in the same way as cars; focus on build quality and braking performance. Active Features Braking System: Disc brakes front and rear, providing effective stopping power. Handling: Agile chassis and...