VESPA 664787 Leitfaden

SERVICE STATION MANUAL

664787-664795 (IT-EN-FR-DE-ES-PT-NL-EL)

Vespa S 50 2T

SERVICE STATION

MANUAL

Vespa S 50 2T

The descriptions and illustrations given in this publication are not binding. While the basic specifications

as described and illustrated in this manual remain unchanged, PIAGGIO-GILERA reserves the right, at

any time and without being required to update this publication beforehand, to make any changes to

components, parts or accessories, which it considers necessary to improve the product or which are

required for manufacturing or construction reasons.

Not all versions/models shown in this publication are available in all countries. The availability of single

versions should be checked at the official Piaggio sales network.

in whole or in part is prohibited."

PIAGGIO & C. S.p.A. - After-Sales

V.le Rinaldo Piaggio, 23 - 56025 PONTEDERA (Pi)

SERVICE STATION MANUAL

Vespa S 50 2T

This service station manual has been drawn up by Piaggio & C. Spa to be used by the workshops of Piaggio-Gilera dealers. It

is assumed that the user of this manual for maintaining and repairing Piaggio vehicles has a basic knowledge of mechanical

principles and vehicle repair technique procedures. Any significant changes to vehicle characteristics or to specific repair

operations will be communicated by updates to this manual. Nevertheless, no mounting work can be satisfactory if the necessary

equipment and tools are unavailable. It is therefore advisable to read the sections of this manual concerning special tools, along

with the special tool catalogue.

N.B. Provides key information to make the procedure easier to understand and carry out.

CAUTION Refers to specific procedures to carry out for preventing damages to the vehicle.

WARNING Refers to specific procedures to carry out to prevent injuries to the repairer.

Personal safety Failure to completely observe these instructions will result in serious risk of personal

injury.

Safeguarding the environment Sectionsmarked with this symbol indicatethe correct use of thevehicle

to prevent damaging the environment.

Vehicle intactness The incomplete or non-observance of these regulations leads to the risk of serious

damage to the vehicle and sometimes even the invalidity of the guarantee.

INDEX OF TOPICS

CHARACTERISTICS CHAR

TOOLING TOOL

MAINTENANCE MAIN

TROUBLESHOOTING TROUBL

ELECTRICAL SYSTEM ELE SYS

ENGINE FROM VEHICLE ENG VE

ENGINE ENG

SUSPENSIONS SUSP

BRAKING SYSTEM BRAK SYS

CHASSIS CHAS

PRE-DELIVERY PRE DE

TIME TIME

INDEX OF TOPICS

CHARACTERISTICS CHAR

Rules

This section describes general safety rules for any maintenance operations performed on the vehicle.

Safety rules

- If work can only be done on the vehicle with the engine running, make sure that the premises are well-

ventilated, using special extractors if necessary; never let the engine run in an enclosed area. Exhaust

fumes are toxic.

- The battery electrolyte contains sulphuric acid. Protect your eyes, clothes and skin. Sulphuric acid is

highly corrosive; in the event of contact with your eyes or skin, rinse thoroughly with abundant water

and seek immediate medical attention.

- The battery produces hydrogen, a gas that can be highly explosive. Do not smoke and avoid sparks

or flames near the battery, especially when charging it.

- Fuel is highly flammable and it can be explosive given some conditions. Do not smoke in the working

area, and avoid naked flames or sparks.

- Clean the brake pads in a well-ventilated area, directing the jet of compressed air in such a way that

you do not breathe in the dust produced by the wear of the friction material. Even though the latter

contains no asbestos, inhaling dust is harmful.

Maintenance rules

- Use original PIAGGIO spare parts and lubricants recommended by the Manufacturer. Non-original or

non-conforming spares may damage the vehicle.

- Use only the appropriate tools designed for this vehicle.

- Always use new gaskets, sealing rings and split pins upon refitting.

- After removal, clean the components using non-flammable or low flash-point solvents. Lubricate all

the work surfaces, except tapered couplings, before refitting these parts.

- After refitting, make sure that all the components have been installed correctly and work properly.

- For removal, overhaul and refit operations use only tools with metric measures. Metric bolts, nuts and

screws are not interchangeable with coupling members with English sizes. Using unsuitable coupling

members and tools may damage the scooter.

- When carrying out maintenance operations on the vehicle that involve the electrical system, make

suretheelectricconnectionshavebeenmadeproperly,particularlythegroundandbatteryconnections.

Vespa S 50 2T Characteristics

CHAR - 7

Vehicle identification

Chassis prefix: ZAPC38103

Engine prefix: C381M

Dimensions and mass

Characteristics Vespa S 50 2T

CHAR - 8

WEIGHTS AND DIMENSIONS

Specification Desc./Quantity

Kerb weight 96 ± 4 kg

Maximum weight allowed 290 kg

Maximum height 1.140 mm

Width 740 mm

Wheelbase 1.290 mm

Length 1.755 mm

Engine

ENGINE

Specification Desc./Quantity

Type single-cylinder, two-stroke

Cubic capacity 49 cm³

Bore x stroke 40 X 39.3 mm

Compression ratio 9.9 ± 0.5 : 1

Engine idle speed 1,800 ± 100 rpm

Timing system -

Valve clearance -

Max. Power 3.2 kW at 7,500 rpm

MAX. torque 4.4 Nm at 6,500 rpm

LUBRICATION Engine lubrication carried out by fuel mixture oil.

Lubrication pressure -

Minimum lubrication pressure (100° C) -

Fuel supply Carburettor: DELL'ORTO PHVA 17.5 RD

Cooling Forced-air circulation cooling.

Fuel Unleaded petrol (95 RON)

Exhaust muffler absorption-type exhaust muffler with catalytic converter.

Emissions EURO 2

Transmission

TRANSMISSION

Specification Desc./Quantity

Transmission Automaticexpandablepulleyvariatorwithtorqueserver,Vbelt,

automatic centrifugal dry clutch.

Final reduction Gear reduction unit in oil bath.

Capacities

CAPACITY

Specification Desc./Quantity

Cooling system fluid -

Transmission oil 80 cm3

Fuel tank (reserve) ~ 8.5 l (2 l)

Mixer oil reservoir (reserve) ~ 1.5 l (0.5 l)

Electrical system

ELECTRICAL SYSTEM

Specification Desc./Quantity

Start-up Electrical and kick start

Vespa S 50 2T Characteristics

CHAR - 9

Specification Desc./Quantity

Ignition Capacitive discharge ignition, with variable advance and sep-

arate HV coil.

Ignition advance 17º at 4,000 rpm

Spark plug CHAMPION RN3C

Alternative spark plug -

Battery 12V/9 Ah

Generator -

Frame and suspensions

FRAME AND SUSPENSIONS

Specification Desc./Quantity

Frame Stamped plate body with welded structural reinforcements.

FRONT SUSPENSION Single arm with helicoidal spring and single double-acting hy-

draulic shock absorber.

Front suspension travel 70.3 mm

Rear suspension Double-acting shock absorber, adjustable to four positions at

preloading.

Rear suspension travel 83 mm

Brakes

BRAKES

Specification Desc./Quantity

Front brake Ø 200 mm disc brake with hydraulic control activated by han-

dlebar right-side lever.

Rear brake Ø110 mm drum brake with mechanical control activated by the

handlebar left-side lever.

Wheels and tyres

WHEELS AND TYRES

Specification Desc./Quantity

Wheel rim type Light alloy rims.

Front rim 11'' x 2.50

Rear rim 10'' x 3.00

Front tyre Tubeless, 110/70 - 11'' 45L

Rear tyre Tubeless, 120/70 - 10'' 54L

Front tyre pressure (with passenger) 1.4 bar (-)

Rear tyre pressure (with passenger) 2.0 bar (-)

N.B.

CHECK AND ADJUST TYRE PRESSURE WITH TYRES AT AMBIENT TEMPERATURE. ADJUST

PRESSURE ACCORDING TO THE WEIGHT OF RIDER AND ACCESSORIES.

Characteristics Vespa S 50 2T

CHAR - 10

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