🏷️ Basic Information

Make:

Aprilia

Model:

Leonardo 125

Model Variant:

125cc

Production Years Covered:

1997-2003

Chassis Code:

AP06

👋 Introduction

Category:

Maxi-scooter

Target Audience:

Commuters, urban riders seeking comfort and practicality.

Key Competitors:

Piaggio Skipper 125, Yamaha Majesty 125, Honda Pantheon 125.

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

Manual Type:

Factory Service Repair Manual

Language:

English

Format:

Digital (PDF)

Estimated Page Count:

250+

📖 Manual Coverage

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.

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.

Depth:

Comprehensive. Covers everything from basic fluid changes and checks to complete engine and transmission teardowns and rebuilds.

📊 Manual Specifications

File Type:

PDF

Searchability:

Searchable text content for quick information retrieval.

Printability:

Printable for workshop use.

Image Resolution:

High-resolution images and diagrams for clarity.

Binding:

N/A (Digital Format)

Paper:

N/A (Digital Format)

⚙️ Engine Specifications

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)

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

Transmission Type:

Automatic CVT with torque converter

Drive Type:

Belt drive

Clutch:

Automatic centrifugal clutch

Variator:

Variable speed pulley system

📐 Dimensions

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)

Dry Weight:

Approx. 144 kg (317.5 lbs)

Wet Weight:

Approx. 155 kg (341.7 lbs)

🛡️ Safety Features

Crash Safety:

N/A (Motorcycle/Scooter safety not rated by organizations like NHTSA/Euro NCAP)

Braking System:

Front disc brake, Rear drum brake.

Lighting:

Halogen headlight, taillight, brake lights, turn signals.

💡 Technology Features

Dashboard Features:

Analog speedometer, tachometer, fuel gauge, odometer, trip meter, indicator lights (turn signal, high beam, oil pressure).

ABS:

Not typically equipped on this model.

Charging Port:

No integrated USB or charging port from factory.

🔧 Maintenance

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).

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)

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 for corrosion, ensure proper carburetor cleaning and adjustment.

📚 Vehicle History

Manufacturer:

Aprilia is an Italian manufacturer known for its sporty motorcycles and scooters.

Segment Introduction:

The Leonardo line was Aprilia's entry into the growing maxi-scooter market of the late 1990s.

Market Placement:

Positioned as a comfortable, stylish, and practical urban commuter with a premium feel.

Manufacturing Location:

Italy

🏆 Awards & Recognition

Market Reception:

Well-received for its styling and comfort in its segment during its production years.