2006-2008 Vespa LX 50 4valvole Service Manual

This comprehensive manual provides detailed procedures for servicing and repairing your Vespa LX 50 4valvole. Includes diagnostic flowcharts and complete coverage. Ref: 665230 (EN)

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Technical Safety Notice
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This official OEM document is intended for professional technicians and skilled operators. Performing service on mechanical equipment involves inherent risks. By purchasing, you acknowledge that RepairLoader provides original manufacturer data for informational purposes. Always prioritize safety: use correct tools, wear protective gear, and consult a certified professional if you are uncertain of any procedure.

Vespa Models Covered & Key Technical Specifications

Models: Vespa LX 50 4valvole
Sub-models / Variants: 50cc 4-stroke
Build Years: 2006–2008
Serial Numbers: ZAPC383000001001, C383M (Engine prefix)
Technical Data:

  • Engine type: Single-cylinder, 4-stroke, 4-valve, air-cooled
  • Engine displacement: 49.9 cc
  • Max Power: 3.2 kW at 8250 rpm
  • Max Torque: 3.8 Nm at 7750 rpm
  • Bore x Stroke: 39 mm x 41.8 mm
  • Compression ratio: 11.5–12.5:1
  • Transmission type: Automatic variable pulley (CVT) with torque server
  • Fuel system: Keihin NCV ø 20 vacuum carburetor with SIS electronic control
  • Engine oil capacity: ~ 850 cm³
  • Drive system: V-belt automatic clutch
  • Front suspension: Single-arm with hydraulic shock absorber
  • Rear suspension: Single hydraulic shock absorber with helical coaxial spring
Technical Specifications
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Document Number / Seller:
31674 / Charles Rogers
File Size:
9.83 MB
File Type:
PDF
Language:
English; Italian
Pages:
218
Printable:
Yes
Category:
Scooter
Last updated / verified
Feb 27, 2025

Vespa Manual Features & Content Preview

2006–2008 Vespa LX 50 4valvole Service Manual

  • Covers 2006–2008 Vespa LX 50 4valvole 50cc 4-stroke engine and chassis diagnostics
  • Official Piaggio publication P/N 665230 (EN), first edition 2008
  • Includes 51 indexed topics covering engine, transmission, electrical system, and frame service
  • Accessible from your device as soon as the order is placed
  • No DRM restrictions on the print function
  • Contains dozens of technical specification tables, wiring diagrams, and exploded-view component identification images
  • This 2008 first edition is the primary OEM technical reference for the 4-valve engine variant of the LX 50 line

Component and Systems Documentation

The 2006–2008 Vespa LX 50 4valvole service manual provides structured technical data for mechanics and owners. The documentation details the disassembly and inspection of the single-cylinder 4-stroke engine, including valve timing, piston and cylinder coupling clearance specifications, and crankshaft alignment parameters. It covers the automatic transmission system, detailing the driven pulley, clutch assembly, and belt inspection. The maintenance section outlines the service intervals for oil replacement, air filter cleaning, and spark plug adjustment.

Specification Highlights

The manual details critical assembly measurements for long-term reliability. Intake valve clearance is documented at 0.10 mm in the engine specification table. Crankshaft bearing transmission side diameter is specified at 20 -0.012 -0.025 mm. Engine oil capacity is documented at 850 cm³. The carburetor section provides data for the Keihin NCV 20, including needle valve settings and jet sizes. This 218-page technical publication is essential for professional-grade service, covering chassis, braking, electrical, and powertrain systems for the 2006–2008 Vespa LX 50 4valvole line.

Reference only — always consult a certified technician before performing service on this equipment.

Manual FAQ, Purchase & Download Details

Does this manual include exploded views or parts illustrations for the Vespa LX 50 4valvole component assemblies? keyboard_arrow_down

Document contains technical illustrations and diagrams, including exploded views for the crankshaft and connecting rod assemblies, to show component positions.

What reference data and specification tables are provided for the engine and chassis maintenance sections? keyboard_arrow_down

Manual lists comprehensive specification tables covering engine oil capacities, tightening torques for frame and suspension assemblies, and valve clearance settings. It also includes charts for piston and cylinder coupling dimensions alongside nominal electrical system data.

Which major vehicle systems are covered in the manual chapters? keyboard_arrow_down

Index of topics covers the electrical system, engine components, suspension units, braking system, and general chassis characteristics.

Can I use this document to determine if the 2006-2008 Vespa LX 50 4valvole models are included? keyboard_arrow_down

Manual documentation explicitly references the Vespa LX 50 4valvole, including model-specific information for the 2006 to 2008 production period. It serves as a comprehensive service manual for this specific scooter line and its technical configurations. You can use the provided chassis and engine prefixes to verify your specific machine against the manual's coverage preview.

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