Scooter Segment:
Entry-level, urban mobility scooter.
Target Audience:
New riders, commuters, and owners seeking to maintain or restore their Vespa Fly 50 4T.
Key Competitors:
Honda PCX, Yamaha NMAX, Kymco Agility, Suzuki Burgman 50 (in its class).
Vehicle Appeal:
Affordable, fuel-efficient, stylish Italian design, user-friendly for urban environments.
Manual Value Proposition:
Essential resource for accurate part identification, ensuring correct replacement and efficient repair or customization.
Overall Coverage:
Comprehensive part identification for all systems and components.
Engine Coverage:
All engine internal and external components, including cylinder, piston, crankshaft, valves, carburetor, and cooling system.
Transmission Coverage:
Variator, clutch, gearbox (if applicable), and drive belt components.
Chassis Coverage:
Frame, front fork, suspension components, seat, body panels, and trim.
Electrical Coverage:
Wiring harness, lighting system, ignition system, starter, battery, and instrument panel components.
Braking System Coverage:
Brake levers, calipers, discs, brake lines, and master cylinders.
Fuel System Coverage:
Fuel tank, fuel lines, fuel filter, and carburetor assembly.
Wheel Tire Coverage:
Wheels, tires, hub assemblies, and related fasteners.
Estimated Page Count:
Variable (dependent on specific print run, typically 50-150 pages for this type of manual)
Manual Type:
Illustrated Parts Catalog (IPC) / Parts Manual
Language:
English (likely primary, with potential for multi-language diagrams)
Format:
Printed (as indicated by product description for sales, digital versions may also exist)
System Scope:
All mechanical and electrical components requiring replacement or identification.
Procedure Scope:
Part identification, part number cross-referencing, and visual assembly guidance.
Depth Of Detail:
Detailed exploded views of every component, enabling precise part ordering and assembly guidance for strip-downs and rebuilds.
Diagnostic Information:
None (this is a parts catalog, not a service or repair manual).
Part Number Specificity:
Includes all necessary OEM part numbers for ordering and referencing.
Format Details:
Print-ready pages, likely containing high-resolution exploded diagrams.
Print Quality Expectation:
Designed for clear visualization of small parts and assembly orientation.
Binding Type:
Likely spiral-bound or saddle-stitched for lay-flat use in a workshop environment.
Paper Quality:
Durable paper stock, suitable for workshop handling.
Engine Type:
Four-stroke, single-cylinder, air-cooled.
Engine Displacement:
49.4 cc (cubic centimeters)
Bore X Stroke:
39 mm x 41.4 mm
Compression Ratio:
Approximately 12.0:1
Valve Train:
SOHC (Single Overhead Camshaft), 2 valves per cylinder.
Horsepower:
Approximately 4.0 - 4.5 HP (varies by region and emissions standards, typically around 2.9-3.3 kW)
Torque:
Approximately 3.0 - 3.5 Nm (varies by region)
Fuel Delivery:
Carburetor (likely a Dell'Orto PHVA or similar).
Fuel Type:
Unleaded Gasoline (RON 91 or higher).
Fuel Tank Capacity:
Approximately 7.0 liters (including a reserve).
Oil Type:
SAE 5W-40 Synthetic Motorcycle Oil (API SG or higher).
Oil Capacity:
Approximately 0.8 - 0.9 liters (check dipstick).
Length:
Approximately 1870 mm (73.6 inches).
Width:
Approximately 715 mm (28.1 inches) at handlebars.
Height:
Approximately 1330 mm (52.4 inches) to handlebars, 1090 mm (42.9 inches) seat height.
Wheelbase:
Approximately 1325 mm (52.2 inches).
Dry Weight:
Approximately 100 kg (220 lbs).
Gross Vehicle Weight Rating:
Not explicitly specified, but typically around 250 kg for this class.
Braking System:
Front: Hydraulic disc brake. Rear: Mechanical drum brake.
Lighting System:
Halogen headlight, LED taillight/brake light, front and rear turn signals.
Frame Construction:
Steel monocoque frame.
Instrumentation:
Speedometer, fuel gauge, odometer, indicator lights.
Oil Change Interval:
Every 3,000-5,000 km or annually, whichever comes first (consult specific manual for exact interval).
Air Filter Replacement:
Inspect every 3,000 km, replace as needed (frequency depends on operating conditions).
Transmission Oil Change:
Every 6,000-10,000 km or every 2 years (for gearbox oil, if applicable, often a separate compartment).
Spark Plug Replacement:
Typically every 6,000-10,000 km.
Drive Belt Inspection/Replacement:
Inspect every 6,000 km, replace approximately every 12,000-15,000 km (or as wear dictates).
Engine Oil Specification:
SAE 5W-40 Synthetic Motorcycle Oil (API SG, JASO MA/MA2).
Brake Fluid Specification:
DOT 4 (or DOT 3 for older specifications, always check manual).
Gearbox Oil Specification:
Typically SAE 80W-90 hypoid gear oil (if separate gearbox).
Common Wear Items:
Drive belt, rollers (variator), brake pads, tires, shock absorbers, electrical connectors due to vibration and weather exposure.
Potential Failures:
Carburetor clogging from stale fuel, fuel line degradation, voltage regulator issues, starter motor wear.
Founder:
Lazzarino Piaggio.
Establishment Year:
1884 (Piaggio & Co. S.p.A.)
Fly Series Introduction:
The Fly series was introduced in the early 2000s as a more accessible, modern alternative to classic Vespa models, focusing on practicality and ease of use.
2008 Model Year Significance:
The 2008 model year typically incorporated Euro 3 emissions standards and minor styling or component updates from previous iterations.
Manufacturing Locations:
Primarily Italy, but Piaggio has manufacturing facilities in various countries including Vietnam and India for specific markets.
