Segment:
Lightweight scooter segment, designed for urban commuting and everyday use.
Competitors:
Competed with other 125cc scooters from brands like Honda (e.g., SH125), Vespa, Yamaha (e.g., Majesty 125), and Kymco.
Design:
Sporty styling, comfortable seating for two, under-seat storage, practical for city riding.
Powertrain:
Reliable two-stroke engine offering good performance for its class, automatic transmission for ease of use.
Engine:
Top-end, bottom-end, cooling, lubrication, fuel, ignition, starting, exhaust, emissions
Transmission:
Automatic (CVT) operation, belt, pulleys, gearbox lubrication
Chassis:
Frame, suspension (front fork, rear shock), steering, wheels, tires
Brakes:
Front and rear brake system components, hydraulic lines, master cylinders, calipers, pads, rotors
Electrical:
Battery, charging system, lighting, indicators, starting system, wiring diagrams, fuses, relays, control units
Bodywork:
Fairings, seat, panels, body trim, fuel tank, storage compartment
Maintenance:
Routine checks, oil changes, filter replacements, spark plug servicing, chain adjustment (if applicable), brake fluid replacement, coolant checks
Troubleshooting:
Diagnostic procedures for common issues, fault finding, error codes
Repair:
Component disassembly, inspection, repair, and reassembly for all major systems
Technical Adjustments:
Carburetor tuning, idle speed adjustment, brake lever adjustment, clutch adjustment (if applicable)
Depth:
Comprehensive, suitable for professional technicians and advanced DIY mechanics. Includes detailed schematics and torque specifications.
Engine Type:
Liquid-cooled, two-stroke, single-cylinder
Displacement:
124.9 cc (7.62 cubic inches)
Bore X Stroke:
57.0 mm x 49.0 mm
Compression Ratio:
Typically around 7.5:1 to 8.0:1 (refer to manual for exact spec)
Horsepower:
Approx. 15-17 HP (varies by market and tuning)
Torque:
Approx. 12-14 Nm (varies by market and tuning)
Carburetor:
Dell'Orto PHVB 24 or similar (specific model confirmed in manual)
Fuel Type:
Unleaded gasoline (95 RON recommended)
Oil Type:
Two-stroke engine oil, JASO FD or ISO-L-EGD certified
Cooling System:
Liquid-cooled
Coolant Type:
Ethylene glycol based antifreeze mixture with corrosion inhibitors
Crash Testing:
N/A (Motorcycle/Scooter specific safety is focus, not typical car crash ratings)
Brakes:
Front disc brake, rear drum brake (or dual disc on some variants - confirm in manual).
Lighting:
Headlight, taillight, brake light, turn signals for visibility.
Frame Construction:
Steel frame providing structural integrity.
Ergonomics:
Comfortable riding position designed to reduce fatigue.
Instrument Cluster:
Analog speedometer, tachometer (optional/model dependent), fuel gauge, odometer, indicator lights.
ABS:
ABS was not a standard or commonly available option on the 1997 Leonardo 125 model.
Connectivity Features:
No modern connectivity features like Bluetooth or smartphone integration are present on this model.
Oil Change Interval:
Every 3,000 - 5,000 km or annually (refer to manual for precise interval and oil type)
Spark Plug Replacement:
Every 5,000 - 8,000 km (specific plug type and gap in manual)
Air Filter Cleaning:
Every 2,000 - 4,000 km, depending on operating conditions
Transmission Oil Change:
Every 5,000 - 10,000 km (specific oil and capacity in manual)
Engine Oil Capacity:
Approx. 0.9 - 1.1 liters (refer to manual for exact capacity and oil grade)
Coolant Capacity:
Approx. 1.0 - 1.2 liters (refer to manual for exact capacity and coolant mixture ratio)
Carburetor Issues:
Can be prone to gumming if fuel sits for extended periods; requires regular cleaning.
Electrical Connections:
Corrosion on electrical connectors can lead to intermittent issues.
Cooling System:
Water pump seal leaks or radiator blockages can occur with poor maintenance.
Wear Items:
As with any scooter of this age, wear items like brake pads, tires, and CVT components (belt, rollers) require regular inspection and replacement.
Manufacturer:
Aprilia is an Italian manufacturer known for its performance motorcycles and scooters.
Leonardo Lineup:
The Leonardo line was Aprilia's successful entry into the maxi-scooter market, with 125cc, 150cc, and 250cc variants offered across different years.
Production Period:
The Leonardo 125 was produced from the mid-1990s through the early 2000s.
Manufacturing Location:
Primarily manufactured in Italy.
