PIAGGIO MSS X9 EVOLUTION 250 Manuel d'instructions

WORKSHOP MANUAL

618153

MSS X9 Evolution 250

WORKSHOP

MANUAL

MSS X9 Evolution 250

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

as described and illustrated in this booklet 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

models 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)

WORKSHOP MANUAL

MSS X9 Evolution 250

This workshop manual has been drawn up by Piaggio & C. Spa to be used by the workshops of Piaggio-

Gilera dealers. This manual is addressed to Piaggio service mechanics who are supposed to have a

basic knowledge of mechanics principles and of vehicle fixing techniques and procedures. Any important

changes made to the vehicles or to specific fixing operations will be promptly reported by updates to this

manual. Nevertheless, no fixing work can be satisfactory if the necessary equipment and tools are

unavailable. It is therefore advisable to read the sections of this manual relating to specific tools, along

with the specific 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

COOLING SYSTEM COOL 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 open 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 the tapered couplings before refitting.

- 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 measurement. 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.

MSS X9 Evolution 250 Characteristics

CHAR - 7

Vehicle identification

Chassis prefix: ZAPMXXXX > XXXXXX

Engine prefix: M23XM

Dimensions and mass

DIMENSIONS AND WEIGHT

Specification Desc./Quantity

Empty weight 173 Kg

Wheelbase 1500 mm

Overall height 1450 mm

Saddle height 790 mm

Overall length 2130 mm

Overall width 910 mm

Characteristics MSS X9 Evolution 250

CHAR - 8

Engine

Characteristics Version 250

Type Single-cylinder, 4 stroke and 4 valves

PiaggioQUASARwithsecondaryairsys-

tem and catalytic converter.

Cooling system Liquid

Number of cylinders 1

Bore 72 mm

Stroke 60 mm

Piston displacement 244,29 cm3

Compression ratio 10,5 - 11,5 : 1

Timing system Single-head camshaft controlled by left

side chain, 3-arm rockers with threaded

Valve clearance:

intake

exhaust

0,10 mm

0,15 mm

Walbro Carburettor WVFH

Kehin Carburettor CVK 30

Air filter Sponge, impregnated with mixture (50%

Selenia Air Filter Oil and 50% lead-free

fuel).

Start-up system electric starter

Lubrication with twin-screw pump (inside the crank-

case) controlled by chain and dual filter:

net and paper filter.

Power supply Petrol (with minimum octane level 95,

lead-free) with vacuum pump and

through carburettor.

Max speed xxx Km/h

Spark plug CHAMPION RG4HC

Transmission

TRANSMISSIONS

Specification Desc./Quantity

Transmission With automatic expandable pulley variator, V belt, automatic

clutch, gear reduction unit and transmission housing with

forced-circulation air cooling.

MSS X9 Evolution 250 Characteristics

CHAR - 9

Gas control transmission fixing

Please take note that starting from the frame num-

ber ZAPM2300004502417, the gas control trans-

mission fixing has been changed, in fact a tear-off

clampandasheathhavebeenintroduced,inorder

to improve its passage

Capacities

CAPACITÀ

Specification Desc./Quantity

Rear hub 150 cc (recommended oil: TUTELA ZC 90)

Cooling system ~ 1.2 litres (recommended fluid PARAFLU MOTORIDER).

Fuel tank (including a ~ 2.5 l reserve) ~ 14.5 l

Engine oil approx. 1300 cc (recommended oil Selenia HI Scooter 4 Tech)

Electrical system

ELECTRIC COMPONENTS 250

Specification Desc./Quantity

Ignition type Electronic capacitive discharge ignition (CDI) and variable ad-

vance, with separate HV coil.

Spark plug CHAMPION RG4HC

Battery 12V-12Ah

Generator Three-phase alternating current

Variable spark advance 10° ± 1 at 2000 Rpm

28° ± 1 at 6500 Rpm

Frame and suspensions

CHASSIS AND SUSPENSIONS

Specification Desc./Quantity

Rear wheel max. travel 90 mm.

Rear suspension Engine with oscillating fork articulated to the chassis by means

of a double swinging arm. Double-acting hydraulic shock ab-

sorbers, coaxial helicoidal spring with variable step, adjustable

at preloading on 4 positions.

Front fork stroke 90 mm

Front suspension Hydraulic telescopic fork with Ø 35-mm stem

Type of chassis Welded tubular steel chassis with stamped sheet reinforce-

ments.

X9 Evolution 125-250-500:

Please take note that, starting from chassis serial number ZAPM2300003509521, the front small chas-

sis fixing system has changed in order to improve its locking to the chassis. Therefore we have

introduced:

• N°2 screws drawing 432142

• N°2 4x11x0 external teeth spring washers drawing 012533

Characteristics MSS X9 Evolution 250

CHAR - 10

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