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Vespa 664787 User Manual

Vespa 664787
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SERVICE STATION MANUAL
664787-664795 (IT-EN-FR-DE-ES-PT-NL-EL)
Vespa S 50 2T

Table of Contents

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Vespa 664787 Specifications

General IconGeneral
BrandVespa
Model664787
CategoryScooter
LanguageEnglish

Summary

Characteristics

Rules

General safety and maintenance guidelines for vehicle operations.

Engine Specifications

Technical data and specifications for the engine.

Transmission Specifications

Technical data and specifications for the transmission.

Electrical System Specifications

Technical data for the vehicle's electrical system.

Frame and Suspensions

Details on the vehicle's frame and suspension components.

Brake System Specifications

Specifications for the front and rear braking systems.

Wheels and Tyres

Specifications for wheels, rims, tyres, and pressures.

Carburettor Specifications

Dell'Orto carburettor details for 50cc version.

Tightening Torques

Table of specified tightening torques for fasteners.

Overhaul Data

Engine overhaul data, clearances, and piston rings.

Tooling

Tools List

List of specific tools with codes and descriptions.

Maintenance

Maintenance Chart

Schedule of maintenance tasks based on mileage/time.

Carburettor Maintenance

Carburettor servicing and cleaning procedures.

Spark Plug Service

Spark plug replacement and gap adjustment.

Hub Oil Check

Procedure for checking and replacing hub oil.

Air Filter Maintenance

Air filter removal, cleaning, and replacement.

Transmission Adjustments

Adjusting control cables and mixer timing.

Braking System Maintenance

General section on brake system maintenance.

Troubleshooting

Engine Troubleshooting

Diagnosing poor performance and starting issues.

Starting Difficulties

Troubleshooting common starting problems.

Clutch Performance Issues

Diagnosing and fixing clutch issues.

Insufficient Braking

Troubleshooting poor braking performance.

Battery Troubleshooting

Troubleshooting battery-related electrical problems.

Electrical System

Wiring Diagrams

Wiring diagrams for ignition and other systems.

Headlights & Starter Wiring

Wiring diagrams for lighting and starter systems.

Battery Charging & Starting Wiring

Wiring diagrams for battery charging and starting circuits.

Level Indicators & Signals Wiring

Wiring diagrams for fuel and oil level indicators.

Devices & Accessories Wiring

Wiring diagrams for various devices and accessories.

Ignition Circuit Checks

Procedures for checking ignition circuit components.

Voltage Regulator Check

Troubleshooting and testing the voltage regulator.

Fuses

Information on fuse location and type.

Engine from vehicle

Engine Removal Procedure

Detailed steps for removing the entire engine.

Engine

Suspensions

Braking System

Front Brake Bleeding

Procedure for bleeding the front brake system.

Chassis

Pre-delivery

Fluid Level Checks

Checking brake fluid and hub oil levels.

Road Test Procedure

Performing a test ride to check vehicle operation.

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