Segment:
Premium Maxi-Scooter segment, positioned for urban commuting and light touring.
Competitors:
Competed with models like the Yamaha X-MAX, Suzuki Burgman, and Honda Forza 250 in its class.
Design Philosophy:
European styling, comfortable ergonomics, practical for urban use.
Target Audience:
Commuters seeking a balance of performance, comfort, and practicality.
Engine:
Engine disassembly, assembly, component inspection, timing, valve adjustment, cooling system.
Fuel System:
Fuel injection system (EFI), fuel pump, injectors, sensors, carburetor (if applicable to specific market variants).
Ignition System:
Ignition coil, spark plug, ECU control, timing.
Transmission:
CVT (Continuously Variable Transmission) disassembly, clutch, variator, belt replacement, roller weights, gearbox.
Brakes:
Front and rear brake systems, hydraulic lines, calipers, master cylinders, brake fluid replacement, bleeding procedures.
Suspension:
Front fork (telescopic) disassembly, oil change, seals, rear shock absorber (mono or twin), linkage inspection.
Electrical System:
Wiring diagrams, battery, starter motor, charging system (alternator/stator, regulator/rectifier), lighting, instrumentation, fuses, relays.
Bodywork:
Panel removal and installation, seat, fairings, storage compartment, lighting fixtures.
Chassis Frame:
Frame inspection, steering head bearings, wheel bearings.
Cooling System:
Radiator, fan, coolant circulation, coolant specifications.
Routine Maintenance:
Oil changes, filter replacements (oil, air), spark plug checks, fluid level checks, chain/belt tension (if applicable).
Troubleshooting:
Diagnostic charts for common problems, symptom-based troubleshooting guides.
Engine Repair:
Top-end rebuild, bottom-end overhaul, piston, connecting rod, crankshaft procedures.
Transmission Repair:
CVT belt replacement, clutch assembly overhaul, variator service.
Brake System Repair:
Brake pad replacement, caliper rebuild, master cylinder replacement, bleeding.
Suspension Overhaul:
Front fork seal replacement, fork oil change, shock absorber replacement.
Electrical Diagnostics:
Wiring harness testing, component testing (starter, alternator), fault code interpretation (if OBD system exists).
Depth Level:
Comprehensive: From basic owner maintenance to complete engine and chassis overhaul.
Diagnostic Capabilities:
Includes troubleshooting tables and likely specifications for component testing.
Torque Specifications:
Detailed torque values for all critical fasteners.
Clearances Tolerances:
Specifications for engine component clearances (e.g., piston-to-cylinder wall, bearing clearances).
Engine Type:
Four-stroke, liquid-cooled, single-cylinder
Displacement:
278cc (approx.)
Bore X Stroke:
Typically around 75mm x 63mm (specific values to be confirmed in manual).
Valve Train:
SOHC (Single Overhead Camshaft), 4 valves
Horsepower:
Estimated 22-24 HP at 7500 RPM (specifications vary by market and tuning).
Torque:
Estimated 22-24 Nm at 6000 RPM (specifications vary by market and tuning).
Fuel Delivery:
Electronic Fuel Injection (EFI) with Piaggio/Rotax derived engine (common for this platform).
Fuel Type:
Unleaded gasoline, minimum 91 RON (Research Octane Number).
Cooling Medium:
Water-cooled
Instrument Cluster:
Analog speedometer and tachometer, digital odometer, fuel gauge, clock, warning lights.
Lighting System:
Halogen projector headlamp for improved visibility.
ABS Availability:
ABS was typically an optional feature for this model, not standard across all markets.
Connectivity Features:
No advanced connectivity features like Bluetooth or smartphone integration, typical for its era.
Engine Oil Change:
Every 3,000-5,000 km or annually (check manual for exact interval and condition).
Air Filter Replacement:
Every 6,000-10,000 km or as needed based on operating conditions.
Spark Plug Replacement:
Every 10,000-15,000 km or based on inspection.
Cvt Belt Replacement:
Every 12,000-20,000 km or when wear is evident.
Brake Fluid Flush:
Every 2 years or as per manual recommendation.
Engine Oil Type:
SAE 10W-40, API SG or higher, JASO MA certified (e.g., Motul 5100 10W-40).
Engine Oil Capacity:
Approximately 1.2-1.5 liters (check manual for exact capacity with filter change).
Coolant Type:
Ethylene glycol-based coolant with anti-corrosion additives, typically a 50/50 mix with distilled water.
Brake Fluid Type:
DOT 4 hydraulic fluid.
Gear Oil Type:
SAE 75W-90, API GL-4 or GL-5 (check manual).
Common Wear Items:
CVT belt wear, front fork seals, brake pad wear, battery life.
Potential Electrical:
Occasional issues with voltage regulator/rectifier or stator, though generally reliable.
Engine Performance Degradation:
Can occur due to clogged fuel injectors or worn variator rollers if not maintained.
Manufacturer Origin:
Aprilia is an Italian manufacturer, part of the Piaggio Group, known for performance motorcycles and scooters.
Leonardo Lineage:
The Leonardo line was Aprilia's entry into the maxi-scooter market, with displacements ranging from 125cc to 300cc, focusing on comfort and performance.
Production Period:
The Leonardo 300 was produced roughly from the early 2000s until the mid-2000s, with variations across markets.
Manufacturing Location:
Typically manufactured in Italy or through partnerships in other European countries.
