Vehicle Segment:
Premium 125cc Scooter (Urban Commuter)
Target Audience:
Riders seeking a stylish and reliable urban scooter with a sporty heritage.
Key Competitors:
Piaggio Beverly 125, Gilera Nexus 125, Yamaha X-Max 125, Honda Pantheon 125.
Design Philosophy:
Italian design flair combined with practical urban commuting features.
Handling:
Sport-oriented chassis and suspension tuning typical of Aprilia's motorcycle lineage.
Ergonomics:
Comfortable riding position for city use, ample legroom.
Storage:
Under-seat storage compartment for a helmet, glove box.
Engine Mechanical:
Complete engine disassembly, assembly, inspection, and overhaul procedures for the 125cc 4-stroke engine.
Fuel System:
Carburetor adjustment, cleaning, and overhaul; fuel pump operation and testing; fuel tank and line maintenance.
Ignition System:
Spark plug specifications, ignition timing, CDI unit testing, and troubleshooting.
Cooling System:
Radiator and fan operation, coolant specifications and replacement, water pump inspection and repair.
Transmission System:
CVT (Continuously Variable Transmission) component inspection, belt replacement, clutch and variator servicing.
Brakes System:
Front and rear brake caliper service, master cylinder overhaul, brake fluid replacement, hydraulic line inspection, and bleeding procedures.
Suspension System:
Front fork service, seal replacement, oil specifications, rear shock absorber inspection and adjustment.
Electrical System:
Wiring diagrams, battery testing, charging system (stator and regulator/rectifier) diagnosis, lighting, starter motor, and switchgear.
Chassis And Bodywork:
Frame inspection, body panel removal and installation, seat, fairings, and accessory mounting.
Diagnostic Troubleshooting:
Step-by-step troubleshooting guides for common issues and component failures.
Routine Maintenance:
Oil changes, filter replacements, spark plug checks, chain adjustment (if applicable), brake fluid checks, tire pressure checks.
Major Repairs:
Engine rebuilds, transmission overhauls, suspension fork rebuilds, brake system repairs.
Component Replacement:
Detailed instructions for replacing wear items and major components.
Troubleshooting Charts:
Diagnostic flowcharts for identifying and resolving various operational problems.
Depth Of Coverage:
Comprehensive, covering from basic rider maintenance to full mechanical overhauls and electrical diagnostics.
Diagnostic Capabilities:
Detailed information for diagnosing electrical faults, fuel system issues, and mechanical component wear.
Engine Type:
Four-stroke, single-cylinder
Bore X Stroke:
57 mm x 48.6 mm
Cooling System:
Liquid-cooled
Valvetrain:
SOHC, 2 valves per cylinder
Max Power:
Approx. 10.5 kW (14.3 PS) @ 8,500 rpm (Europe)
Max Torque:
Approx. 12 Nm @ 6,500 rpm
Carburetor:
Dell'Orto PHBH 28 DD (or similar specification)
Fuel Type:
Unleaded Gasoline (95 Octane Recommended)
Oil Type:
SAE 10W-40 API SG or higher
Oil Capacity:
Approx. 1.1 Liters (with oil filter change)
Crash Test Results:
N/A (Motorcycle/Scooter segment generally not subjected to automotive-style crash tests)
Braking System:
Front: Hydraulic disc brake (single disc), Rear: Hydraulic disc brake (single disc).
Lighting:
Halogen headlight, taillight, and turn signals for visibility.
Frame Construction:
Steel tube frame for structural integrity.
Tires:
Front: 120/70-15, Rear: 140/70-15 (typical sizes)
Dashboard Instruments:
Analog speedometer, tachometer, fuel gauge, coolant temperature gauge, odometer, trip meter, warning lights (oil, battery, indicators).
ABS Availability:
Not typically available on this model year and displacement.
Charging Ports:
No integrated USB or 12V power outlets usually found on this model, aftermarket options available.
Engine Oil Change:
Every 3,000 - 5,000 km or annually, whichever comes first.
Air Filter Cleaning Replacement:
Clean every 5,000 km, replace every 10,000 km or as needed.
Spark Plug Replacement:
Every 8,000 - 10,000 km.
Cvt Belt Inspection Replacement:
Inspect every 5,000 km, replace approximately every 15,000 - 20,000 km or when signs of wear appear.
Brake Fluid Replacement:
Every 2 years or as recommended by the manual.
Coolant Replacement:
Every 2 years or as recommended.
Engine Oil:
SAE 10W-40 API SG (or higher) semi-synthetic or full-synthetic motorcycle oil.
Coolant:
Ethylene glycol-based coolant with corrosion inhibitors, mixed 50/50 with distilled water.
Charging System Faults:
Occasional regulator/rectifier failures leading to battery charging issues.
Cvt Wear:
Variator rollers and clutch shoes can wear over time, affecting acceleration and top speed.
Carburetor Tuning:
Can be sensitive to altitude and temperature changes, requiring periodic adjustment.
Oil Filter Part Number:
Refer to manual for specific Aprilia P/N or common aftermarket equivalents (e.g., Hiflofiltro HF183).
Air Filter Part Number:
Refer to manual for specific Aprilia P/N or common aftermarket equivalents.
Spark Plug Type:
NGK CR9E (or equivalent).
Manufacturer Origin:
Aprilia is an Italian manufacturer, renowned for its performance motorcycles and scooters.
Leonardo Series:
The Leonardo line was Aprilia's upscale scooter offering, featuring a blend of sporty performance and premium features, with 125cc, 150cc, and 250cc variants over its production life.
2002 Model Year:
Represents a mature iteration of the Leonardo 125, likely with minor updates from previous years.
Manufacturing Location:
Italy
