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Introduction
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Market Position
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Positioning:
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The Aprilia Leonardo 300 was positioned as a comfortable and capable maxi-scooter, blending practicality for urban commuting with touring potential.
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Competitive Analysis
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Competitors:
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Competed with other 250-300cc maxi-scooters from brands like Yamaha (Majesty), Honda (Silver Wing, Reflex), and Suzuki (Burgman).
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Key Features
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Features:
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Spacious seating, under-seat storage, effective weather protection, and a robust engine for its class.
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Manual Value
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Value Proposition:
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Provides essential technical data for owners and independent mechanics to maintain and repair the Leonardo 300, saving on dealership service costs.
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Manual Coverage
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Systems Covered
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Engine:
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Comprehensive engine overhaul, diagnostics, tuning, and component replacement.
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Fuel System:
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Fuel injection system, fuel pump, injectors, pressure regulator, and tank servicing.
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Ignition System:
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Ignition coils, spark plugs, ECU control, and timing adjustments.
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Cooling System:
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Radiator, coolant pump, thermostat, hoses, and fan operation.
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Exhaust System:
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Exhaust manifold, catalytic converter, muffler, and sensor diagnostics.
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Transmission:
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Automatic transmission (CVT) operation, maintenance, and troubleshooting.
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Brakes:
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Front and rear brake systems, hydraulic lines, calipers, pads, discs, and bleeding procedures.
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Suspension:
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Front telescopic forks, rear shock absorber, and linkage servicing.
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Steering:
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Handlebar assembly, steering stem bearings, and related components.
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Electrical System:
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Wiring diagrams, battery, charging system, lighting, starter motor, and fuses.
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Bodywork:
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Fairings, body panels, seat removal, and minor body repair.
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Chassis:
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Frame inspection, structural integrity, and component mounting.
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Wheels And Tires:
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Wheel bearing replacement, tire pressure, and mounting.
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Procedures Included
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Maintenance:
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Regular scheduled maintenance, oil changes, filter replacements, and lubrication.
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Troubleshooting:
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Systematic fault diagnosis for common and complex issues.
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Repair:
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Step-by-step repair instructions for all major mechanical and electrical components.
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Rebuilds:
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Complete engine and transmission rebuild procedures with detailed specifications.
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Disassembly And Assembly:
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Detailed instructions for dismantling and reassembling all vehicle systems.
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Wiring Diagrams:
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Complete and detailed electrical wiring schematics.
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Technical Depth
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Depth:
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Comprehensive, from basic maintenance to complete engine rebuilds and advanced diagnostics.
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Engine Specifications
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Primary Engine
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Engine Type:
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Four-stroke, single-cylinder
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Displacement:
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278cc (approx.)
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Bore X Stroke:
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75mm x 63mm (typical for this class, specific values in manual)
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Cooling System:
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Liquid-cooled
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Valvetrain:
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SOHC, 4 valves (typical for Aprilia, specific in manual)
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Performance
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Horsepower:
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Approx. 20-24 HP (at crankshaft)
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Torque:
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Approx. 24-27 Nm (at crankshaft)
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Fuel System
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Fuel Delivery:
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Electronic Fuel Injection (EFI)
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Fuel Type:
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Unleaded Gasoline (95 RON recommended)
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Lubrication
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Oil Type:
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SAE 10W-40 Synthetic Motorcycle Oil (API SG or higher)
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Oil Capacity:
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Approx. 1.5 liters (including filter change)
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Spark Plug
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Recommended Plug:
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NGK CR8E (or equivalent, verify in manual)
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Maintenance
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Service Intervals
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Oil Change:
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Every 3,000-5,000 km or annually (refer to manual for exact intervals and conditions).
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Air Filter Cleaning:
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Every 5,000-7,500 km or as needed based on operating conditions.
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Spark Plug Replacement:
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Every 10,000-15,000 km.
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Belt Check And Replacement:
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Inspect belt for wear every 10,000 km, replace every 20,000-30,000 km (or as per manual recommendation).
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Fluid Specifications
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Coolant Type:
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Ethylene glycol based coolant, 50/50 mix with distilled water.
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Brake Fluid:
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DOT 4 brake fluid.
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Known Issues
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Common Problems:
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Potential for stator/regulator failure, CVT belt wear, minor electrical gremlins, exhaust rust (depending on climate).
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Preventative Maintenance:
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Regularly check battery terminals, clean fuel injectors, and ensure proper coolant levels.
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