🏷️ Basic Information Identification Make: Aprilia Model: Leonardo 125 Model Variant: 125cc Production Years Covered: 1997-2003 Codes Chassis Code: AP06 👋 Introduction Market Position Category: Maxi-scooter Target Audience: Commuters, urban riders seeking comfort and practicality. Competitive Analysis Key Competitors: Piaggio Skipper 125, Yamaha Majesty 125, Honda Pantheon 125. Key Features Design: Elegant Italian styling, comfortable ergonomics, ample under-seat storage. Engine Type: Liquid-cooled, four-stroke engine. Transmission Type: Automatic Continuously Variable Transmission (CVT). 📋 Manual Details Coverage Areas Manual Type: Factory Service Repair Manual Language: English Format: Digital (PDF) Page Count Estimated Page Count: 250+ 📖 Manual Coverage Systems Covered Engine Mechanical: Full overhaul procedures, cylinder head, piston, crankshaft, connecting rod, valve timing, lubrication system, cooling system. Fuel System: Carburetor identification, adjustment, cleaning, and overhaul; fuel pump; fuel lines; fuel tank. Ignition System: CDI unit, ignition coil, spark plug specifications, timing adjustment. Cooling System: Radiator, water pump, thermostat, coolant specifications, bleeding procedures. Transmission: Automatic transmission (CVT) overhaul, belt replacement, clutch assembly, variator, torque converter. Chassis And Frame: Frame inspection, alignment, fork assembly, steering head bearings, swingarm. Suspension Front: Telescopic fork service, oil change, seal replacement, spring specifications. Suspension Rear: Shock absorber specifications, adjustment, mounting, swingarm bearings. Brakes Front: Hydraulic disc brake system, caliper overhaul, pad replacement, master cylinder, brake fluid specifications, bleeding. Brakes Rear: Drum brake service, shoe replacement, adjustment, linkage. Wheels And Tires: Tire size specifications, pressure recommendations, wheel bearing service, rim specifications. Electrical System: Wiring diagrams, battery specifications, starter motor, charging system (alternator/stator), lighting, horn, indicators. Bodywork And Trim: Fairing removal and installation, seat, storage compartments, panel fitment. Procedures Included Routine Maintenance: Oil change intervals and specifications, filter replacement, spark plug replacement, air filter cleaning/replacement, brake checks, chain adjustment (if applicable to this model, likely not a chain drive), tire pressure checks. Troubleshooting: Diagnostic charts for common problems, symptom-based fault finding. Repair Procedures: Step-by-step instructions for all major mechanical and electrical component repairs and overhauls. Rebuilds: Complete engine rebuild, carburetor rebuild, transmission overhaul. Wiring Diagrams: Detailed electrical schematics for all vehicle systems. Technical Depth Depth: Comprehensive. Covers everything from basic fluid changes and checks to complete engine and transmission teardowns and rebuilds. 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text content for quick information retrieval. Printability: Printable for workshop use. Print Quality Image Resolution: High-resolution images and diagrams for clarity. Binding Type Binding: N/A (Digital Format) Paper Type Paper: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: Four-stroke, liquid-cooled, SOHC, 2-valve Displacement: 124.9 cc (7.62 cu in) Bore X Stroke: 52.4 mm x 57.9 mm (2.06 x 2.28 in) Compression Ratio: 10.5:1 Power Output: Approx. 10.6 kW (14.2 hp) @ 9000 rpm (may vary slightly by market) Torque: Approx. 11.6 Nm (8.6 lb-ft) @ 7000 rpm (may vary slightly by market) Fuel System Carburetor Model: Dell'Orto PHBH 28 Fuel Type: Unleaded gasoline (95 RON recommended) Fuel Tank Capacity: Approx. 9.2 Liters (2.4 US gal) 🔧 Transmission Standard Transmission Type: Automatic CVT with torque converter Drive Type: Belt drive Features Clutch: Automatic centrifugal clutch Variator: Variable speed pulley system 📐 Dimensions Exterior Length: Approx. 1990 mm (78.3 in) Width: Approx. 750 mm (29.5 in) Height: Approx. 1350 mm (53.1 in) (seat height not specified, typically around 770-790mm) Wheelbase: Approx. 1380 mm (54.3 in) Weights Dry Weight: Approx. 144 kg (317.5 lbs) Wet Weight: Approx. 155 kg (341.7 lbs) 🛡️ Safety Features Ratings Crash Safety: N/A (Motorcycle/Scooter safety not rated by organizations like NHTSA/Euro NCAP) Active Features Braking System: Front disc brake, Rear drum brake. Passive Features Lighting: Halogen headlight, taillight, brake lights, turn signals. 💡 Technology Features Infotainment Dashboard Features: Analog speedometer, tachometer, fuel gauge, odometer, trip meter, indicator lights (turn signal, high beam, oil pressure). Driver Assistance ABS: Not typically equipped on this model. Connectivity Charging Port: No integrated USB or charging port from factory. 🔧 Maintenance Service Intervals Engine Oil Change: Every 5,000 km (3,000 miles) or 6 months. Oil Filter Replacement: At every oil change. Air Filter Cleaning: Every 5,000 km (3,000 miles), replace every 10,000 km (6,000 miles). Spark Plug Replacement: Every 10,000 km (6,000 miles). Transmission Oil Change: Every 10,000 km (6,000 miles) or 12 months. Cvt Belt Inspection: Every 10,000 km (6,000 miles), replacement typically around 20,000 km (12,000 miles). Fluid Specifications Engine Oil Type: SAE 10W-40, API SG or higher (check manual for exact specification, often Motul or Castrol recommended). Engine Oil Capacity: Approx. 1.2 Liters (1.3 US qt) with filter change. Coolant Type: Ethylene glycol-based antifreeze (50% mixture with distilled water). Brake Fluid Type: DOT 4 Transmission Oil Type: SAE 80W-90 API GL-4 Transmission Oil Capacity: Approx. 0.15 Liters (0.16 US qt) Known Issues Common Problems: Water pump seal leaks, voltage regulator failure, carburetor jetting issues leading to poor running, CVT belt wear, aging electrical connectors causing intermittent faults. Maintenance Recommendations: Regularly check coolant levels, inspect electrical connections...