🏷️ Basic Information Identification Make: Aprilia Model: Leonardo Model Variant: 125 Production Years Covered: 1997 onwards 👋 Introduction Market Position Category: Maxi-scooter Target Audience: Commuters, urban riders, riders seeking practical and comfortable transport. Competitive Analysis Key Competitors Era: Honda Pantheon, Yamaha Majesty, Suzuki Burgman 125, Italjet Formula 125. Key Features Vehicle Design Philosophy: Comfortable, practical, and stable maxi-scooter design with car-like features for urban and light touring use. Storage Capacity: Generous under-seat storage, typically accommodating a full-face helmet and more. Riding Comfort: Spacious seating position, good wind protection from the fairing and windshield. 📋 Manual Details Coverage Areas Primary Coverage: Service and Repair Secondary Coverage: Maintenance, Troubleshooting, Diagnostics Page Count Estimated Page Count: 200-300 (typical for comprehensive service manuals) Manual Type Manual Type: Workshop Manual / Service Manual Language Language: English (assumed, common for international markets) Format Format: Digital (PDF) or Printed 📖 Manual Coverage Systems Covered Engine Mechanical: Engine disassembly, assembly, cylinder head, piston, crankshaft, lubrication system, cooling system, fuel system (carburetor/injection) diagnostics and repair. Engine Electrical: Ignition system, starting system, charging system (alternator/stator, regulator/rectifier), ECU diagnostics, sensor testing (TPS, MAP, temperature sensors). Transmission Drivetrain: Variator system, clutch assembly, transmission case, final drive maintenance and repair. Chassis Suspension: Front forks, rear shock absorber, swingarm, wheel bearings, steering system overhaul and adjustment. Braking System: Front and rear brake caliper service, master cylinder overhaul, brake line replacement, bleeding procedures, disc and pad replacement. Electrical System: Wiring diagrams, lighting system, horn, indicators, battery maintenance, fuse identification, starter solenoid, key switch. Fuel System: Carburetor (e.g., Keihin, Dell'Orto) adjustment, cleaning, and rebuilding. Fuel pump and filter service. Fuel tank maintenance. Exhaust System: Exhaust pipe and muffler inspection, gasket replacement, heat shield maintenance. Bodywork Trim: Panel removal and installation, fairing repair, seat maintenance, storage compartment access. Procedures Included Routine Maintenance: Oil changes, filter replacements (oil, air), spark plug replacement, chain/belt adjustment (if applicable), brake pad inspection, tire pressure checks. Troubleshooting: Systematic diagnostic flowcharts for common problems (e.g., starting issues, poor running, electrical faults). Repair Procedures: Step-by-step instructions for major component overhauls, including engine rebuilds, transmission servicing, and suspension component replacement. Special Tools: Identification and usage of specific tools required for Aprilia Leonardo 125 maintenance and repair. Technical Depth Depth: Comprehensive: Covers everything from basic adjustments to complete engine and chassis rebuilds, including detailed electrical schematics and diagnostic procedures. 📊 Manual Specifications File Format Digital Format: PDF Digital Searchability: Yes, fully searchable text content. Print Quality Print Quality: High-resolution images and clear text (for printed versions). Binding Type Binding Type: Perfect bound or spiral bound (for printed versions, facilitating lay-flat use). Paper Type Paper Type: Durable, coated paper to withstand workshop environments (for printed versions). ⚙️ Engine Specifications Primary Engine Engine Type: Four-stroke, liquid-cooled, single-cylinder Displacement: 124.9 cc (approximate, based on typical 125cc engines of the era) Bore X Stroke: Typically around 52.4 mm x 57.8 mm (specific data requires model year breakdown) Compression Ratio: Approximately 11.0:1 to 11.5:1 Performance Horsepower Output: Approximately 14-15 HP at 8,000-9,000 RPM Torque Output: Approximately 11-12 Nm at 6,000-7,000 RPM Fuel System Fuel Delivery: Carburetor (likely Mikuni or Keihin 28-30mm) or early electronic fuel injection (EFI) on later models. Fuel Type: Unleaded gasoline, minimum 91 octane (RON+MON)/2 Lubrication Oil Type: SAE 10W-40, API SG or higher, JASO MA certified motorcycle oil. Oil Capacity: Approximately 1.1 - 1.3 liters with filter change. Cooling System Cooling Medium: Liquid (coolant mixture: 50% ethylene glycol antifreeze and 50% distilled water). Ignition System Ignition Type: Electronic ignition (CDI or TCI). Spark Plug Type: NGK CR8E or similar (check specific model year). 🔧 Transmission Standard Transmission Type: Automatic CVT (Continuously Variable Transmission) Drive Type: Belt drive to rear wheel Features Clutch Type: Automatic centrifugal clutch 📐 Dimensions Exterior Length: Approx. 2000 mm Width: Approx. 730 mm Height: Approx. 1350 mm (including windshield) Wheelbase: Approx. 1400 mm Weights Dry Weight: Approx. 150-160 kg Wet Weight: Approx. 160-170 kg Max Load Capacity: Approx. 180 kg (rider, passenger, luggage) Wheels Tires Front Tire Size: 120/70-14 Rear Tire Size: 130/70-13 Wheel Type: Alloy wheels 🛡️ Safety Features Ratings Safety Features: Combined braking system (linking front and rear brakes) on some variants, reflective elements on bodywork. Active Features Braking System Front: Hydraulic disc brake (single or dual disc depending on spec). Braking System Rear: Hydraulic disc brake (single disc). Suspension Front: Telescopic forks (e.g., 35mm stanchions). Suspension Rear: Unit swingarm with adjustable twin shock absorbers. Passive Features Lighting System: Halogen headlight, LED or incandescent taillight and brake light, indicator lights. 💡 Technology Features Infotainment Dashboard Features: Analog speedometer, tachometer (on some models), fuel gauge, coolant temperature warning light, oil pressure warning light, turn signal indicators. Driver Assistance Braking Aid: Combined braking system on some variants, enhancing stopping power and stability. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000-5,000 km or annually, whichever comes first. Oil Filter Replacement Interval: Every oil...