Target Audience:
Aprilia Leonardo 125 owners, independent motorcycle repair shops, and DIY enthusiasts.
Historical Context:
The Leonardo was Aprilia's entry into the competitive maxi-scooter market, offering a blend of performance, comfort, and Italian styling.
Key Competitors:
Honda Pantheon 125, Yamaha Majesty 125, Piaggio X9 Evolution 125.
Scooter Design Philosophy:
Designed for urban commuting and light touring, emphasizing stability and rider comfort.
Aprilia Engineering:
Known for sporty handling and engaging riding dynamics, even in their scooter offerings.
Page Count:
Extensive (Exact number not specified, but comprehensive coverage implies 300+ pages)
Manual Type:
Service and Repair Manual
Language:
Likely English, potentially multiple languages depending on origin
Format:
Digital (PDF or similar electronic format)
Engine Overhaul:
Complete disassembly, inspection, repair, and reassembly of the 125cc engine.
Fuel System:
Carburetor tuning, cleaning, replacement, fuel pump operation, fuel filter maintenance.
Ignition System:
Spark plug specifications, ignition timing, CDI unit, stator and rotor testing.
Cooling System:
Radiator, fan, coolant type, fluid capacities, leak detection, thermostat operation.
Transmission Variator:
CVT (Continuously Variable Transmission) maintenance, roller weights, drive and driven pulley inspection, belt replacement.
Brakes:
Hydraulic system bleeding, pad replacement, caliper maintenance, disc inspection, master cylinder service.
Suspension:
Front fork servicing, oil replacement, seal replacement, rear shock absorber inspection and replacement.
Electrical System:
Wiring diagrams, battery testing, charging system, lighting, starter motor, fuses, and relays.
Chassis And Bodywork:
Frame inspection, body panel removal and installation, fairings, seat assembly, luggage solutions.
Troubleshooting:
Systematic diagnosis of common problems and fault finding guides.
Routine Maintenance:
Oil changes, filter replacements, spark plug checks, brake fluid flushes, tire pressure checks.
Major Repairs:
Engine rebuilds, transmission overhaul, suspension component replacement, electrical system diagnostics.
Component Replacement:
Detailed instructions for replacing wear items and major components.
Adjustment Procedures:
Carburetor adjustment, brake lever adjustment, suspension pre-load settings.
Diagnostic Techniques:
Methods for identifying the root cause of various mechanical and electrical issues.
Depth Of Coverage:
Comprehensive. Covers everything from basic rider maintenance to full engine and chassis overhauls suitable for professional mechanics and experienced enthusiasts.
Engine Type:
Four-stroke, liquid-cooled, single-cylinder
Displacement:
124.0 cc (approximate)
Bore X Stroke:
Specifications vary by specific model year, but typically around 57.0 mm x 48.6 mm
Compression Ratio:
Typically around 11.0:1
Valve Train:
SOHC, 4 valves per cylinder
Horsepower Output:
Approx. 15 HP (11 kW) at specified RPM
Torque Output:
Approx. 11 Nm at specified RPM
Fuel Delivery:
Carburetor (e.g., Dell'Orto PHBN 26) or possibly early fuel injection on later models.
Fuel Type:
Unleaded Gasoline (95 RON recommended)
Oil Type:
API SG/SH/SJ or JASO MA certified motorcycle engine oil, SAE 10W-40 recommended.
Oil Capacity:
Approximately 1.0 - 1.2 liters (refer to specific model year for exact capacity).
Transmission Type:
Automatic CVT (Continuously Variable Transmission)
Variator Components:
Drive pulley, driven pulley, torque driver, drive belt, roller weights.
Transmission Oil Spec:
Not applicable for dry clutch CVT systems; refers to final drive oil if applicable.
Overall Length:
Varies by year, typically around 1900-2000 mm.
Overall Width:
Varies by year, typically around 700-750 mm.
Seat Height:
Approximately 750-780 mm.
Dry Weight:
Approximately 130-145 kg.
Gross Vehicle Weight Rating:
Refer to owner's manual for specific GVWR.
Fuel Tank Capacity:
Approximately 9.5 - 10.5 liters.
Crash Test Information:
Not applicable for this vehicle type; focus on structural integrity and component safety.
Braking System:
Front and rear disc brakes, often with hydraulic actuation.
Lighting:
Halogen headlight, taillight, brake lights, turn signals.
Frame Construction:
Steel tube frame designed for stability and rigidity.
Tires:
Tubeless tires, common sizes include 120/70-14 front and 130/60-13 rear (sizes may vary).
Instrument Cluster:
Analog speedometer and tachometer, fuel gauge, coolant temperature gauge, indicator lights.
ABS Availability:
ABS was generally an optional feature or not available on the 125cc model, check specific year and market.
Connectivity Features:
None (basic scooter technology of its era).
Engine Oil Change:
Every 3,000 - 4,000 km or annually, whichever comes first.
Air Filter Cleaning/Replacement:
Inspect every 3,000 km, clean or replace as needed. Replace typically every 6,000 - 8,000 km.
Spark Plug Replacement:
Check at 4,000 km intervals, replace every 8,000 - 12,000 km (depending on spark plug type).
Cvt Belt Inspection:
Inspect at 6,000 km, replace when wear limits are reached (typically 12,000 - 18,000 km).
Brake Fluid Flush:
Every 2 years or as recommended by the manual.
Coolant Flush:
Every 2-3 years or as specified.
Engine Oil Viscosity:
SAE 10W-40.
Brake Fluid Type:
DOT 3 or DOT 4.
Coolant Type:
Ethylene glycol-based coolant with corrosion inhibitors.
Variator Wear:
Premature wear of the drive belt and rollers can occur with aggressive riding or high mileage without inspection.
Carburetor Issues:
Carburetor jets can become clogged over time, leading to poor idling or performance issues. Requires periodic cleaning and adjustment.
Electrical Gremlins:
As with many scooters of this era, occasional electrical connection issues or faulty relays can occur.
Aprilia Legacy:
Aprilia is an Italian manufacturer with a strong heritage in racing and performance motorcycles.
Leonardo Introduction:
The Leonardo line was introduced in the late 1990s, with the 125cc model being a popular option for entry-level riders and city commuters.
Design Updates:
The Leonardo underwent minor updates throughout its production run, focusing on styling and minor mechanical refinements.
Production Period:
Late 1990s to mid-2000s (exact end date varies by market).
Manufacturing Location:
Primarily Italy.
Editorial Reviews:
Likely received positive reviews for its handling and comfort compared to smaller scooters, but performance might have been considered modest for a maxi-scooter.
Reliability Index:
Reliability is generally good with proper maintenance, typical for Aprilia products. Specific ratings not readily available.
Emissions Standards:
Compliant with Euro emission standards relevant to its production year (e.g., Euro 2).
