Segment:
Commuter Scooter / Maxi-Scooter
Target Audience:
Urban commuters, riders seeking practicality and comfort for daily use.
Key Competitors:
Honda Pantheon 125/150, Yamaha Majesty 125/150, Italjet Dragster 125/180.
Design Philosophy:
Emphasis on comfort, stability, and practicality for everyday riding, often featuring larger wheels than typical scooters.
Brand Emphasis:
Aprilia's reputation for sporty handling and robust engineering.
Primary Coverage:
Comprehensive service and repair for 1999 Aprilia Leonardo 125, 150, and 250 models.
Secondary Coverage:
Maintenance schedules, troubleshooting guides, diagnostic procedures, and component specifications.
Estimated Page Count:
300-400 pages (typical for this type of comprehensive manual)
Type:
Service and Repair Manual
Format:
Digital (PDF) - Likely printable and searchable
Engine Mechanical:
Engine assembly, disassembly, cylinder head, pistons, crankshaft, lubrication system, cooling system.
Engine Performance:
Carburetion tuning, ignition system diagnosis, exhaust system components.
Transmission:
Automatic transmission (CVT) disassembly, inspection, and repair; drive belt replacement; clutch assembly.
Chassis And Suspension:
Front fork servicing, rear shock absorber replacement, swingarm maintenance, wheel bearing service.
Braking System:
Front and rear brake caliper service, master cylinder overhaul, hydraulic system bleeding, pad replacement.
Electrical System:
Wiring diagrams, starter motor, alternator (stator), battery service, lighting system, ignition system components.
Fuel System:
Fuel tank, fuel lines, fuel pump, carburetor removal, cleaning, and adjustment.
Bodywork And Trim:
Fairing removal and installation, seat maintenance, body panel repair.
Routine Maintenance:
Oil change intervals, spark plug replacement, air filter cleaning/replacement, drive belt inspection, brake fluid flush.
Troubleshooting:
Common issues and diagnostic trees for starting problems, engine performance, electrical faults, and braking concerns.
Repair Procedures:
Step-by-step instructions for component disassembly, reassembly, and replacement.
Diagnostic Procedures:
Spark plug reading, compression testing, ignition timing checks, carburetor synchronization.
Technical Specifications:
Torque values, valve clearances, ignition timing settings, fluid capacities, part numbers for wear items.
Depth:
Detailed mechanical and electrical repair, including internal engine and transmission component servicing.
Diagnostic Capability:
Advanced troubleshooting for engine, electrical, and mechanical systems.
Engine Type 125:
4-stroke, single-cylinder, 2-valve, SOHC
Displacement 125:
124.9 cc
Bore X Stroke 125:
57.0 mm x 48.6 mm
Cooling System 125:
Liquid-cooled
Engine Type 150:
4-stroke, single-cylinder, 2-valve, SOHC
Displacement 150:
150.7 cc (approx.)
Bore X Stroke 150:
61.0 mm x 52.0 mm (typical for this displacement)
Cooling System 150:
Liquid-cooled
Engine Type 250:
4-stroke, single-cylinder, 4-valve, DOHC
Displacement 250:
249.6 cc
Bore X Stroke 250:
70.0 mm x 64.5 mm
Cooling System 250:
Liquid-cooled
Horsepower 125:
~14-15 HP @ ~8000 RPM (estimated)
Horsepower 250:
~21-23 HP @ ~7500 RPM (estimated)
Fuel Delivery 125 150:
Carburetor (likely Mikuni or Keihin, specific model number would be in the manual)
Fuel Delivery 250:
Carburetor (likely Mikuni or Keihin, specific model number would be in the manual)
Fuel Type:
Unleaded gasoline (RON 91 or higher recommended)
Fuel Tank Capacity:
~11-12 Liters (typical for this class)
Overall Length:
Approximately 2050-2100 mm (varies slightly by model variant)
Overall Width:
Approximately 750-800 mm
Overall Height:
Approximately 1350-1400 mm (including windscreen)
Wheelbase:
Approximately 1480-1500 mm
Dry Weight:
Approximately 160-175 kg (varies by model)
Curb Weight:
Approximately 170-185 kg (with all fluids)
Maximum Load:
Approximately 180-200 kg (rider + passenger + luggage)
Safety Certification:
EEC (European Economic Community) certification for road use.
Braking System Front:
Disc brake (single disc, typically 260-280mm diameter)
Braking System Rear:
Disc brake (single disc, typically 220-240mm diameter)
Tire Size Front:
120/70-14 or 120/70-15 (typical for this model)
Tire Size Rear:
130/70-13 or 140/60-14 (typical for this model)
Lighting:
Halogen headlight, LED taillight (likely), turn signals.
Instrumentation:
Analog speedometer, tachometer (on some models), fuel gauge, coolant temperature warning light.
Engine Oil Change:
Every 3,000-5,000 km or annually (refer to manual for specific interval and oil type).
Air Filter Cleaning:
Every 5,000-8,000 km, replace as needed.
Spark Plug Replacement:
Every 10,000-15,000 km (specific plug type in manual).
Drive Belt Inspection:
Every 8,000-10,000 km, replace when worn or damaged (specific belt part number in manual).
Brake Fluid Flush:
Every 2 years or as per manual recommendation.
Engine Oil Type:
Semi-synthetic or fully synthetic SAE 10W-40 or 15W-50 motorcycle oil (API SG or higher).
Engine Oil Capacity 125 150:
~0.9 - 1.1 Liters (with filter change)
Engine Oil Capacity 250:
~1.2 - 1.4 Liters (with filter change)
Coolant Type:
Ethylene glycol-based antifreeze mixture (50/50) with corrosion inhibitors.
Common Wear Items:
Drive belt wear, brake pad wear, suspension components (bushings, seals), carburetor cleaning/re-jetting due to age.
Electrical Gremlins:
Corrosion on connectors, aging wiring harnesses, regulator/rectifier issues (common in older Italian scooters).
Cooling System:
Potential for radiator leaks or clogged passages if coolant is not maintained.
Aprilia Legacy:
Aprilia, an Italian manufacturer, has a strong racing heritage and a history of producing innovative motorcycles and scooters.
Leonardo Lineage:
The Leonardo was Aprilia's entry into the maxi-scooter segment, designed for comfort and touring capabilities, bridging the gap between smaller commuter scooters and larger touring motorcycles.
Production Period:
The Leonardo series was produced roughly from the mid-1990s through the early 2000s, with the 1999 models representing a key year in its development.
Manufacturing Location:
Primarily Italy.
