633241
Vespa PX 125 150 Euro 2
Vespa PX 125 150 Euro 2
Vespa PX 125 150 Euro 2
This manual has been prepared by Piaggio & C. S.p.A, for use in the workshops of authorized Piaggio-Gilera dealers and subagents. It is assumed that the person utilizing this manual for servicing or repairing Piaggio vehicles has knowledge of the principles of mechanics and standard procedures required for general vehicle repair. Any relevant changes concerning the vehicle characteristics or specific repair operations will be divulged in the form of updates to this manual. Satisfactory repair or service cannot be achieved without the necessary equipment and tools. Refer to the pages of this manual concerning specific tools and equipment and the special tools 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
Sections marked with this symbol indicate the correct use of the vehicle 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
C
HARACTERISTICS
T
OOLING
M
AINTENANCE
E
LECTRICAL SYSTEM
E
NGINE FROM VEHICLE
E
NGINE
S
USPENSIONS
B
RAKING SYSTEM
C
HASSIS
P
RE
-
DELIVERY
T
IME
CHAR
TOOL
MAIN
ELE SYS
ENG VE
ENG
SUSP
BRAK SYS
CHAS
PRE DE
TIME
INDEX OF TOPICS
C
HARACTERISTICS
CHAR
Vespa PX 125 150 Euro 2
Characteristics
- If work can only be done on the vehicle with the engine running, make sure that the premises are wellventilated, 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.
- 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 sure the electric connections have been made properly, particularly the ground and battery connections.
Specification
Frame prefix (125)
Engine prefix (125)
Frame prefix (150)
Desc./Quantity
VNX2T
VNX1M
VLX1T
CHAR - 7
Characteristics
Vespa PX 125 150 Euro 2
Specification
Engine prefix (150)
Desc./Quantity
VLX1M
Specification
Empty weight
Wheelbase
Max height
Max length
Handlebars width
Desc./Quantity
104 Kg
1235 mm
1110 mm
1760 mm
700 mm
CHAR - 8
Specification
Engine type
Desc./Quantity
2-stroke with rotary intake timing
Vespa PX 125 150 Euro 2
Characteristics
Specification
No. of cylinders
Bore and stroke (125)
Bore and stroke (150)
Displacement (125)
Displacement (150)
Compression ratio (125)
Compression ratio (150)
Carburettor
Engine idle speed
CO value
Air filter
Starting system
Lubrication
Fuel supply
Clutch
Cooling
Max power output (shaft) 125cc
Max power output (shaft) 150cc
Max speed (125)
Max speed (150)
Desc./Quantity
1
52,2 x 57 mm
58 x 57 mm
123,4 Cm3
150,599 Cm3
8 : 1
8 : 1
Dell'orto SI 20/20 D
1900 ± 100 rpm
3,8 ± 0,5%
Metallic net soaked in oil-petrol mixture
Electric starter motor and kick-start
Mixture oil
Oil-petrol mixture through carburettor with automatic mixer
(mass flow varying with engine speed) and throttle valve
Multi-disc.
Forced air by a centrifugal fan.
6 Kw (8 hp) at 5600 rpm
6.6 Kw (9 hp) at 5,700 rpm
80,7 Km/h
82,8 Km/h
Specification
Gear-box
Desc./Quantity
4-speed with constantly engaged gears
Specification
Gear-box
Mixer oil tank
Fuel tank
Desc./Quantity
~ 250 cc.
~1.6 litres (including 0.4 l reserve)
~8 litres (including ~2.1 l reserve)
3
4
1
2
5
6
Specification
Ignition type
Spark advance (T.D.C.)
Spark plug
Battery
Fuse
Generator
Desc./Quantity
Electronic ignition by capacitive discharge with H.T. coil
18° ± 1
CHAMPION RL82C
12V - 9Ah
7.5 A
AC
Specification
Suspensions
Frame
Desc./Quantity
Steering column pivoted onto front wheel hub, helicoid spring suspension and hydraulic shock-absorber (compression and rebound damping)
Monocoque-type shell obtained from pressed steel
CHAR - 9
Characteristics
Vespa PX 125 150 Euro 2
Specification
Front
Rear
Desc./Quantity
Ø 220 mm disc hydraulically operated via lever mounted on
RHS of handlebars
Ø 140 mm drum with expanding shoes mechanically activated via pedal on RHS of footrest
Specification
Front tyre
Rear tyre
Rims
Wheels
Front tyre pressure
Rear tyre pressure
Desc./Quantity
3,50 x 10"
3,50 x 10"
Pressed steel
Interchangeable with 2.00"×10" pressed steel rims.
1,3 bar
1,8 bar
2,3 bar driver and passenger
N.B.
CHECK AND ADJUST TYRE PRESSURE WITH TYRES AT AMBIENT TEMPERATURE. REGU-
LATE PRESSURE ACCORDING TO THE WEIGHT OF THE RIDER AND ACCESSORIES
Specification
Type
Diffuser diameter
Main jet
Slow running jet
Main air jet
Throttle valve (type)
Emulsifier (code)
Sprayer
Starter jet
Air idling screw
* With idling air hole 140/100
Desc./Quantity
SI20/20D
20 mm
96/100
45/100 *
140/100
6823.09
BE5
280/100
60/100
1/2 turn
CHAR - 10
Vespa PX 125 150 Euro 2
Characteristics
Specification
Type
Diffuser diameter
Main jet
Slow running jet
Main air jet
Throttle valve (type)
Emulsifier (code)
Sprayer
Starter jet
Air idling screw
Desc./Quantity
SI20/20D
20 mm
98
45/160
150
6823.16.64
BE5
280/100
60/100
1 3/4
Name
Upper steering ring nut
Top steering housing
Handlebar fixing screw*
Name
Engine - frame bolt *
Rim - hub fixing nuts (front-rear)
Shock-absorber - frame fixing nut*
Shock-absorber - engine bolt*
Rear wheel axle*
Name
Shock-absorber mounting plate - steering column fixing nuts
Upper shock-absorber fixing nut
Lower shock-absorber fixing nut
Front wheel axle nut*
Name
Reservoir - pipe fitting
Pipe - calliper fitting
Intermediate pipe fitting
Calliper fixing screw*
Disc fixing screw*
Oil draining screw
Name
Coils mounting bracket fixing screw
Kick-start lever fixing nut
Clutch assy. fixing nut
Multi-gear pinion nut
Flywheel fixing nut
Carburettor fixing bolts
Clutch cover fixing screws
Cylinder head fixing nuts
Spark plug
Crankcase mating screws
Torque in Nm
5÷6
6÷7 (hence loosen by 80° - 90°)
30÷44
Torque in Nm
61 ÷ 75
20 ÷ 27
30÷40
13 ÷ 23
75÷90
Torque in Nm
20÷27
30÷40
20÷27
60÷100
Torque in Nm
8÷12
15÷25
10÷15
20÷25
5÷6
10÷12
Torque in Nm
3÷4
23÷26
40 ÷ 45
30 ÷ 35
60 ÷ 65
16÷20
6÷8
13÷18
20÷25
11÷13
CHAR - 11
Characteristics
Vespa PX 125 150 Euro 2
Name
Wheel axle nut
Gear shifter nuts
Starter motor screws
Fan cover screws
Air-box fixing screws
Gear fixing nut
Mixer fixing screws
Head fixing nuts
Gear-box trunnion
Torque in Nm
90÷110
12÷15
10÷12
8÷10
6÷8
30÷35
6÷8
16 ÷ 26
15 ÷ 18
N.B.
* Safety tightenings
IN ORDER TO ENSURE THE CORRECT TIGHTENING TORQUE, LUBRICATE NUTS BEFORE AS-
SEMBLY.
NOTICE OF TECHNICAL SERVICING
Tightening torque - riding mirror
This is to inform you that a standard tightening torque has been introduced for the riding mirror fixing screw:
20 - 25 Nm.
The cylinder classification must be carried out at 25 mm from the head mating surface on the rod's swinging plane.
CHAR - 12
Vespa PX 125 150 Euro 2
Characteristics
Name
Cylinder - piston
Cylinder - piston
Cylinder - piston
Cylinder - piston
Cylinder - piston
Cylinder - piston
Cylinder - piston
Cylinder - piston (1st oversize)
Cylinder - piston (1st oversize)
Cylinder - piston (1st oversize)
Cylinder - piston (1st oversize)
Cylinder - piston (1st oversize)
Cylinder - piston (2nd oversize)
Cylinder - piston (2nd oversize)
Cylinder - piston (2nd oversize)
Cylinder - piston (2nd oversize)
Cylinder - piston (2nd oversize)
Cylinder - piston (3rd oversize)
Cylinder - piston (3rd oversize)
Cylinder - piston (3rd oversize)
Cylinder - piston (3rd oversize)
Cylinder - piston (3rd oversize)
C
D
E
F
G
C
D
E
F
G
F
G
Initials
F
G
H
C
B
C
D
E
Cylinder
52,505
52,510
52,515
52,520
52,525
52,530
52,535
52,710
Piston
52,290
52,295
52,300
52,305
52,310
52,315
52,320
52,495
D
E
52,715
52,720
52,500
52,505
53,110
53,115
53,120
53,125
53,130
52,725
52,730
52,910
52,915
52,920
52,925
52,930
52,895
52,900
52,905
52,910
52,915
52,510
52,515
52,695
52,700
52,705
52,710
52,715
Play on fitting
0,215
0,215
0,215
0,215
0,215
0,215
0,215
0,215
0,215
0,215
0,215
0,215
0,215
0,215
0,215
0,215
0,215
0,215
0,215
0,215
0,215
0,215
CHAR - 13
Characteristics
Vespa PX 125 150 Euro 2
Name
Cylinder - piston
Cylinder - piston
Cylinder - piston
Cylinder - piston
Cylinder - piston
Cylinder - piston
Cylinder - piston
Cylinder - piston (1st oversize)
Cylinder - piston (1st oversize)
Cylinder - piston (1st oversize)
Cylinder - piston (1st oversize)
Cylinder - piston (1st oversize)
Cylinder - piston (2nd oversize)
Cylinder - piston (2nd oversize)
Cylinder - piston (2nd oversize)
Cylinder - piston (2nd oversize)
Cylinder - piston (2nd oversize)
Cylinder - piston (3rd oversize)
Cylinder - piston (3rd oversize)
Cylinder - piston (3rd oversize)
Cylinder - piston (3rd oversize)
CHAR - 14
C
D
E
F
C
D
E
F
G
F
G
Initials
F
G
H
C
B
C
D
E
Cylinder
57,795
57,800
57,805
57,810
57,815
57,820
57,825
58,000
Piston
57,555
57,650
57,565
57,570
57,575
57,580
57,585
57,760
D
E
58,005
58,010
57,765
57,770
58,015
58,020
58,200
58,205
58,210
58,215
58,220
58,400
58,405
58,410
58,415
57,775
57,780
57,960
57,965
57,970
57,975
57,980
58,160
58,165
58,170
58,175
Play on fitting
0,240
0,240
0,240
0,240
0,240
0,240
0,240
0,240
0,240
0,240
0,240
0,240
0,240
0,240
0,240
0,240
0,240
0,240
0,240
0,240
0,240
Vespa PX 125 150 Euro 2
Name
Cylinder - piston (3rd oversize)
Initials
G
Cylinder
58,420
Piston
58,180
Characteristics
Play on fitting
0,240
Name
Piston ring
Piston ring (1st oversize)
Piston ring (2nd oversize)
Piston ring (3rd oversize)
Name
Piston ring
Piston ring (1st oversize)
Piston ring (2nd oversize)
Piston ring (3rd oversize)
Description Dimensions
52,5
52,7
Initials
A
A
52,9 A
53,1 A
Description Dimensions
57,8
58
Initials
A
A
58,2 A
58,4 A
Quantity
0,2 ÷ 0,35
0,2 ÷ 0,35
0,2 ÷ 0,35
0,2 ÷ 0,35
Quantity
0,2 ÷ 0,4
0,2 ÷ 0,4
0,2 ÷ 0,4
0,2 ÷ 0,4
CHAR - 15
Characteristics
Vespa PX 125 150 Euro 2
Name
Connecting Rod
Washer (2)
Half-crankshaft clutchside
Half-crankshaft flywheel-side
Spacer tool
Description Dimensions
A= 15,4 +0 -0,05
G= 0,5 +0,05 -0,03
C= 11,1 -0 +0,05
D= 11,1 -0 +0,05
H= 38,95
Initials
E
E
E
E
Quantity
0,15 ÷ 0,46
0,15 ÷ 0,46
0,15 ÷ 0,46
0,15 ÷ 0,46
Name
Connecting Rod
Washer (2)
Half-crankshaft clutchside
Half-crankshaft flywheel-side
Spacer tool
Description Dimensions
B= 15,6 -0,1 -0,2
G= 0,5 +0,05 -0,03
C= 11,1 -0 +0,05
D= 11,1 -0 +0,05
H= 38,95
Initials
F
F
F
F
Quantity
0,05 ÷ 0,41
0,05 ÷ 0,41
0,05 ÷ 0,41
0,05 ÷ 0,41
−
Connecting rods and roller cages are subdivided into
4 categories
(indicated by markings on big end and outer cage rim, respectively)
−
Mate connecting
rod with cage of same category
; if such assembly results to be excessively noisy, use a roller cage from
next category
.
−
For the wrist pin, fitted with 0 clearance,
the maximum allowable play after use must be 0.02 mm.
CHAR - 16
Vespa PX 125 150 Euro 2
Characteristics
−
The maximum allowable end-play for the connecting rod
after use
(intended as the longitudinal slide on the big end)
is 0.7mm
.
Name
Shoulder
Shoulder (1st oversize)
Shoulder (2nd oversize)
Shoulder (3rd oversize)
Shoulder (4th oversize)
N.B.
Description Dimensions
2,05 +0 -0,06
2,20 +0 -0,06
2,35 +0 -0,06
2,50 +0 -0,06
2,65 +0 -0,06
Initials
A
A
A
A
A
Quantity
0,15 ÷ 0,40
0,15 ÷ 0,40
0,15 ÷ 0,40
0,15 ÷ 0,40
0,15 ÷ 0,40
IF THE SPECIFIED CLEARANCE «A» CANNOT BE ACHIEVED, REPLACE THE SHOULDER RING
WITH AN OVERSIZED ONE SUCH TO ALLOW OBTAINING THE PRESCRIBED PLAY. TO CHECK
THE CLEARANCE, USE A FEELER GAUGE.
Product
AGIP GEAR 80W-90
AGIP CITY HI TEC 4T
AGIP GP 330
AGIP CITY TEC 2T
AGIP GREASE MU3
AGIP BRAKE 4
Description
gearbox oil
Specifications
SAE 80W-90 oil complying with API GL4 specifications
Oil for 2-stroke engines: SAE 5W-40, API
SL, ACEA A3, JASO MA
Oil to lubricate flexible transmissions
(brake, throttle control and mixer, odometer)
Grease (brake level, throttle twistgrip, gaer)
Mixer oil
Grease for odometer transmission gear case
Brake fluid
Calcium complex soap grease NLGI 2;
ISO-L-XBCIB2 synthetic oil for 2-stroke engines: JASO
FC, ISO-L-EGD
Soap-based lithium grease with NLGI 3;
ISO-L-XBCHA3, DIN K3K-20
FMVSS DOT 4 Synthetic fluid
CHAR - 17
INDEX OF TOPICS
T
OOLING
TOOL
Vespa PX 125 150 Euro 2
Stores code
020004Y
Description
Punch for removing fifth wheels from headstock
020055Y Wrench for steering tube ring nut
020074Y Support base for checking crankshaft alignment
002850y Oil tank spanner
002973y Fuel tap spanner
020320Y Exhaust gases analyser
Tooling
TOOL - 19
Tooling
Stores code
020325Y
Description
Brake-shoe spring calliper
Vespa PX 125 150 Euro 2
020329Y MityVac vacuum-operated pump
020330Y Stroboscopic light to check timing
020331Y Digital multimeter
020332Y Digital rev counter
TOOL - 20
Vespa PX 125 150 Euro 2
Stores code
020333Y
Description
Single battery charger
020334Y Multiple battery charger
020335Y Magnetic support for dial gauge
Tooling
001330Y Tool for fitting steering seats
TOOL - 21
Tooling
Stores code
020021Y
Description
Front suspension service tool
Vespa PX 125 150 Euro 2
TOOL - 22
020321y Carburettor float removing tool
006029Y
020625Y
Punch for fitting fifth wheel seat on steering tube
Kit for sampling gas from the exhaust manifold
001467Y021 Extraction pliers for ø 11 mm bearings
Vespa PX 125 150 Euro 2
Stores code
020151Y
Description
Air heater
020150Y
020057Y
020095Y
008564Y
Air heater support
Calking tool
Flywheel retaining tool
Flywheel extractor
008886Y Crankshaft extractor
004499Y Camshaft bearing extractor
Tooling
TOOL - 23
Tooling
Stores code
020265Y
Description
Bearing fitting base
Vespa PX 125 150 Euro 2
060007Y Crankcase bearing spacer
060824Y Inspection probe
008119Y009 Tube to assemble shafts and axles
001729Y
020322Y
Clutch retaining tool
Clutch removing/fitting tool
TOOL - 24
INDEX OF TOPICS
M
AINTENANCE
MAIN
Maintenance
Vespa PX 125 150 Euro 2
Brake fluid - change
Action
Gear-box oil level - replacement
Transmission gas mixer- adjust
Odometer gear - greasing
Steering - adjustment
Brake and clutch lever - greasing
Brake fluid level - check
Safety locks - check
Electrical system and battery - check
Tyre pressure and wear - check
Vehicle and brake test - road test
Action
Gear-box oil level - check
Spark plug - replacement
Air filter on carburetor - Clean
Transmission gas mixer- adjust
Brake and clutch lever - greasing
Brake pads - check condition and wear
Brake fluid level - check
Electrical system and battery - check
Tyres condition and wear - Check
Vehicle and brake test - road test
Secondary air filter (external / internal) - Clean
Action
Gear-box oil level - replacement
Spark plug - replacement
Air filter on carburetor - Clean
Idle speed (*) - adjustment
Transmission gas mixer- adjust
Odometer gear - greasing
Steering - adjustment
Brake and clutch lever - greasing
Brake pads - check condition and wear
Brake fluid level - check
Transmission elements - lubrication
Safety locks - check
Suspensions - check
Electrical system and battery - check
Headlight - adjustment check
Tyres condition and wear - Check
Vehicle and brake test - road test
(*) See regulations in section «Idling speed adjustement»
Action
Gear-box oil level - check
Spark plug - replacement
Air filter on carburetor - Clean
Transmission gas mixer- adjust
Brake and clutch lever - greasing
Action
MAIN - 26
Vespa PX 125 150 Euro 2
Action
Brake pads - check condition and wear
Brake fluid level - check
Electrical system and battery - check
Tyres condition and wear - Check
Vehicle and brake test - road test
Secondary air filter (external / internal) - Clean
Action
Gear-box oil level - replacement
Spark plug - replacement
Air filter on carburetor - Clean
Idle speed (*) - adjustment
Cylinder cooling system - check/cleaning
Transmission gas mixer- adjust
Odometer gear - greasing
Steering - adjustment
Brake and clutch lever - greasing
Brake pads - check condition and wear
Brake fluid level - check
Transmission elements - lubrication
Safety locks - check
Suspensions - check
Electrical system and battery - check
Headlight - adjustment check
Tyres condition and wear - Check
Vehicle and brake test - road test
Secondary air filter (external / internal) - Clean
(*) See regulations in section «Idling speed adjustement»
Action
Gear-box oil level - check
Spark plug - replacement
Air filter on carburetor - Clean
Transmission gas mixer- adjust
Brake and clutch lever - greasing
Brake pads - check condition and wear
Brake fluid level - check
Electrical system and battery - check
Tyres condition and wear - Check
Vehicle and brake test - road test
Secondary air filter (external / internal) - Clean
Action
Gear-box oil level - replacement
Spark plug - replacement
Air filter on carburetor - Clean
Idle speed (*) - adjustment
Transmission gas mixer- adjust
Odometer gear - greasing
Steering - adjustment
Brake and clutch lever - greasing
Brake pads - check condition and wear
Flexible brake lines - Change
Brake fluid level - check
Transmission elements - lubrication
Safety locks - check
Suspensions - check
Electrical system and battery - check
Headlight - adjustment check
Tyres condition and wear - Check
Vehicle and brake test - road test
Maintenance
MAIN - 27
Maintenance
(*) See regulations in section «Idling speed adjustement»
Action
Gear-box oil level - check
Spark plug - replacement
Air filter on carburetor - Clean
Transmission gas mixer- adjust
Brake and clutch lever - greasing
Brake pads - check condition and wear
Brake fluid level - check
Electrical system and battery - check
Tyres condition and wear - Check
Vehicle and brake test - road test
Secondary air filter (external / internal) - Clean
Action
Gear-box oil level - replacement
Spark plug - replacement
Air filter on carburetor - Clean
Idle speed (*) - adjustment
Cylinder cooling system - check/cleaning
Transmission gas mixer- adjust
Odometer gear - greasing
Steering - adjustment
Brake and clutch lever - greasing
Brake pads - check condition and wear
Brake fluid level - check
Transmission elements - lubrication
Safety locks - check
Suspensions - check
Electrical system and battery - check
Headlight - adjustment check
Tyres condition and wear - Check
Vehicle and brake test - road test
Secondary air filter (external / internal) - Clean
(*) See regulations in section «Idling speed adjustement»
Action
Gear-box oil level - check
Spark plug - replacement
Air filter on carburetor - Clean
Transmission gas mixer- adjust
Brake and clutch lever - greasing
Brake pads - check condition and wear
Brake fluid level - check
Electrical system and battery - check
Tyres condition and wear - Check
Vehicle and brake test - road test
Secondary air filter (external / internal) - Clean
Action
Gear-box oil level - replacement
Spark plug - replacement
Air filter on carburetor - Clean
Idle speed (*) - adjustment
Transmission gas mixer- adjust
Odometer gear - greasing
Steering - adjustment
Brake and clutch lever - greasing
Brake pads - check condition and wear
MAIN - 28
Vespa PX 125 150 Euro 2
Vespa PX 125 150 Euro 2
Brake fluid level - check
Transmission elements - lubrication
Safety locks - check
Suspensions - check
Electrical system and battery - check
Headlight - adjustment check
Tyres condition and wear - Check
Vehicle and brake test - road test
(*) See regulations in section «Idling speed adjustement»
Action
Action
Gear-box oil level - check
Spark plug - replacement
Air filter on carburetor - Clean
Transmission gas mixer- adjust
Brake and clutch lever - greasing
Brake pads - check condition and wear
Brake fluid level - check
Electrical system and battery - check
Tyres condition and wear - Check
Vehicle and brake test - road test
Secondary air filter (external / internal) - Clean
Action
Gear-box oil level - replacement
Spark plug - replacement
Air filter on carburetor - Clean
Idle speed (*) - adjustment
Cylinder cooling system - check/cleaning
Transmission gas mixer- adjust
Odometer gear - greasing
Steering - adjustment
Brake and clutch lever - greasing
Brake pads - check condition and wear
Flexible brake lines - Change
Brake fluid level - check
Transmission elements - lubrication
Safety locks - check
Suspensions - check
Electrical system and battery - check
Headlight - adjustment check
Tyres condition and wear - Check
Vehicle and brake test - road test
Secondary air filter (external / internal) - Clean
(*) See regulations in section «Idling speed adjustement»
Maintenance
MAIN - 29
Maintenance
Disassemble the carburettor and clean all components with solvent, hence dry with compressed air all ducts, in order to ensure proper cleaning.
−
Carefully check the state of each component.
−
The throttle valve must be free to slide inside the mixture chamber; replace if excessive play is found.
−
If the mixture chamber is excessively worn, such to prevent the sliding of the throttle valve (although new), replace the carburettor.
−
All seals should be replaced upon reassembly.
Vespa PX 125 150 Euro 2
Specification
Conical needle
Float
Emulsifier air adjusting screw
Emulsifier
Main jet
Slow-running jet
Fuel flow adjusting screw
Throttle valve adjusting screw
Throttle valve
Starter jet
Choke device
In order to ensure the correct timing, check the stator is oriented so that the I.T. index (see figure) coincides with the marking found on the crankcase.
−
To check the timing, use a timing light, connecting it to the H.T. cable via the clip provided and then starting the engine.
−
The correct spark advance is obtained when, with the engine running between 2,500 and 3,000 rpm, the «P» index is aligned (±1°) with the I.T.
marking stamped on the volute.
MAIN - 30
Desc./Quantity
Vespa PX 125 150 Euro 2
−
In the impossibility of obtaining the specified values, or if the engine is found to be running rough, proceed by replacing defective components.
020330Y Stroboscopic light to check timing
020332Y Digital rev counter
−
Detach the spark plug cap
−
Carefully inspect the spark plug and replace it if the insulator is damaged
−
Using a feeler gauge, measure the spark gap, and adjust it if necessary
−
Ensure the sealing washer is in good state
−
Refit the spark plug by screwing it in by hand, and tightening it at the prescribed torque using a box spanner
Spark plug
CHAMPION RL82C
Spark gap
0,5 ÷ 0,6 mm
Spark plug
25 - 30 Nm
−
Remove the engine cowling and the air-box cover by loosening the four fixing screws shown in the figure and the idle adjusting screw; hence release the filter.
−
Clean the filter with 50% fuel-oil mixture, hence dry it with compressed air.
AGIP CITY TEC 2T Mixer oil
synthetic oil for 2-stroke engines: JASO FC, ISO-
L-EGD
Maintenance
MAIN - 31
Maintenance
Proceed as follows:
1
. Place the vehicle in running order and with the tyres inflated to the prescribed pressure, on a flat surface 10 m away from a white screen situated in a shaded area, making sure that the longitudinal axis of the scooter is perpendicular to the screen;
2
. Turn on the headlight and check that the borderline of the projected light beam on the screen is not lower than 9/10 of the distance from the ground to the centre of vehicle headlamp and higher than 7/10;
3
. If otherwise, adjust the right headlight with screw
«
A
».
N.B.
THE ABOVE PROCEDURE COMPLIES WITH THE EURO-
PEAN STANDARDS REGARDING MAXIMUM AND MINI-
MUM HEIGHT OF LIGHT BEAMS. REFER TO THE STATU-
TORY REGULATIONS IN FORCE IN EVERY COUNTRY
WHERE THE vehicle IS USED.
The test must be carried out after carefully cleaning all carburettor components and air filter, and with the spark plug in good conditions.
−
Warm up the engine by riding the vehicle for at least ten minutes
−
Switch off the engine
−
Remove the 2 secondary air box screws shown in the figure
−
Place a plastic sheet between the one-way valve and the aluminium outlet as shown in the figure
Vespa PX 125 150 Euro 2
MAIN - 32
Vespa PX 125 150 Euro 2
−
Ensure the one-way valve packing properly seals the aluminium outlet fitting.
−
Refit the aluminium outlet onto the SAS box as shown in the picture.
−
Remove the gas outlet cap, shown in the figure, on the exhaust.
−
Attach the special tool and orientate the connectors as shown in the figure.
−
Start the engine, adjust the idle speed to 1,300
±100 rpm and check the CO readings are equal to
4±1% with the idle air adjusting screw opened by
2+¾ turns.
−
If the parameters here specified cannot be met, try adjusting the idle air adjusting screw. Otherwise, check the choke device.
020320Y Exhaust gases analyser
020332Y Digital rev counter
020625Y Kit for sampling gas from the exhaust manifold
Maintenance
MAIN - 33
Maintenance
Remove the two screws «
A
» from the SAS aluminium cover. Disengage the metallic hose from the rubber fastener on the cover without detaching the hose from the sleeve. Remove the plate and the plastic cover and hence extract the sponge filter and wash with soap. Dry the filter with compressed air before refitting, having care to place the plate in the grooving machined onto the plastic and aluminium covers. Upon reassembly, always replace the O-ring, located on the cover.
Remove the sponge and wash it with soap and water. Dry it with compressed air before refitting.
Vespa PX 125 150 Euro 2
−
Check for the presence of oil inside the gearbox
(oil capacity ~250 g); with the vehicle axis perfectly vertical, the oil level must be at the height of inspection hole «
A
».
−
To replace the oil, drain the box using filler hole
«
B
».
−
Pour some fresh oil and let the engine run for a few seconds, hence drain the box again.
−
Pour 250 g of fresh oil through hole «
A
», so that the level reaches the reference height.
AGIP GEAR 80W-90 gearbox oil
SAE 80W-90 oil complying with API GL4 specifications
MAIN - 34
INDEX OF TOPICS
E
LECTRICAL SYSTEM
ELE SYS
Electrical system
Vespa PX 125 150 Euro 2
9
10
11
12
13
14
15
7
8
5
6
3
4
1
2
Ar
= Orange,
Az
= Sky Blue,
Bi
= White,
Bl
= Blue,
Gi
= Yellow,
Gr
= Grey,
Ma
= Brown,
Ne
= Black,
Ro
= Pink,
Rs
= Red,
Ve
= Green,
Vi
= Purple
Specification
Front LHS turn signal light
Key switch
Enable button
Indicators switch
Front headlight
Instrument panel lighting bulb
Turn signal warning light
Reserve fuel light
Headlamp warning light
High-beam warning light
Instrument panel
Headlight switch
Start up button
Horn
Stop light switch (front brake)
Desc./Quantity
12V-1,2W
12V - 1,2W
12V-1,2W
12V - 1,2W
12V - 1.2W
ELE SYS - 36
Vespa PX 125 150 Euro 2
24
25
26
27
28
29
30
20
21
22
23
16
17
18
19
Specification
Front RHS turn signal light
Rear brake stop button
Anti-repeating device
Fuel level sender
Magneto flywheel
Electronic ignition device
Rear RHS turn signal light
Starter motor
Taillight
Starter relay
Rear LHS turn signal light
Battery
Fuse box
Voltage regulator
Turn signals master-box
Desc./Quantity
Electrical system
12V - 9Ah
ELE SYS - 37
Electrical system
Vespa PX 125 150 Euro 2
13
14
15
16
9
10
11
12
7
8
5
6
3
4
1
2
Specification
Key switch
Voltage regulator
Electronic Control Unit (C.D.I.) with H.T coil
Battery
Starter motor
Magneto flywheel
Anti-repeating device
Spark plug
Remote starter switch
Fuse
Horn
Turn signals master-box
Front headlight
Front turn signal lights
Taillight
Rear turn signal lights
Desc./Quantity
12V - 9Ah
7.5 A
3
4
1
2
ELE SYS - 38
Specification
Magneto flywheel
Key switch contacts
Electronic Control Unit (C.D.I.) with H.T coil
Spark plug
Desc./Quantity
Vespa PX 125 150 Euro 2
Electrical system
7
8
5
6
3
4
1
2
9
10
Specification
Voltage regulator
Magneto flywheel
Key switch contacts
Headlight bulb
High-beam warning light
Light switch
Headlight switch
Rear side light bulb
Front side light bulb
Headlamp warning light
Desc./Quantity
12V-35/35W
12V - 1.2W
12V - 5W
12V - 5W
12V - 1,2W
ELE SYS - 39
Electrical system
Vespa PX 125 150 Euro 2
7
8
5
6
3
4
1
2
9
10
11
Specification
Magneto flywheel
To services
Key switch contacts
Voltage regulator
Fuse
Remote starter switch
Starter motor
Battery
Enable button
Start up button
Anti-repeating device
Desc./Quantity
7.5 A
12V - 9Ah
ELE SYS - 40
Vespa PX 125 150 Euro 2
Electrical system
3
4
1
2
5
6
Specification
Fuel gauge
Fuel level sender
Reserve fuel light
Brake light bulbs
Stoplight switches
Voltage regulator
Desc./Quantity
12V-1,2W
12V-10W
ELE SYS - 41
Electrical system
Vespa PX 125 150 Euro 2
5
6
7
3
4
1
2
Specification
Turn signals master-box
Indicators switch
Turn signal warning light
Turn signal light bulbs
Horn button
Horn
Voltage regulator
Desc./Quantity
12V - 1,2W
12V - 21W
ELE SYS - 42
Vespa PX 125 150 Euro 2
Electrical system
5
6
7
3
4
1
2
Specification
+ Battery
Fuel gauge
Low fuel warning light
Turn signals warning light
High-beam warning light
Side-lamps warning light
Ground lead (-)
Desc./Quantity
All system checks requiring the detachment of cables (inspections involving ignition system wiring and devices) must be carried out with the engine off, so to avoid any possible damage to the ECU, which would require its replacement.
It is therefore important to follow the wire colour coding when reattaching the cables (see figure)
ELE SYS - 43
Electrical system
Vespa PX 125 150 Euro 2
3
4
1
2
Specification
WHITE
RED
GREEN
GREEN
1
2
In the event of a malfunctioning of the ignition system, with no evident cause, it will be necessary to replace the ECU.
−
Remember that all wires can only be detached with the engine off.
−
If the ignition system is found to be working properly once the new ECU has been fitted, then the cause of the problem is obviously to be attributed to a defective CDI device.
−
In the event that the ignition system is still malfunctioning, it will be necessary to check the generator and the stator components, as follows:
After an eye inspection of the connections, perform measurements on recharge coil and pick-up
(see table) using the specified tester. If such readings do not match the stated values, proceed by replacing the stator and its components.
020331Y Digital multimeter
Specification
RED - WHITE wire
GREEN - WHITE wire
Desc./Quantity
Desc./Quantity
90 ÷ 140 ohm
800 ÷ 1100 ohm
ELE SYS - 44
Vespa PX 125 150 Euro 2
Voltage regulator inspection
In the event of a suspected failure of the voltage regulator, carry out the following inspections:
Alternate current section
The failure of the alternate current section of the voltage regulator give rise, depending on the type of fault, to the following inconveniences:
1. Blown light bulbs (regulator open-circuited).
2. Failure of the lighting system and automatic choke device (regulator short-circuited).
Interventions
FAULT 1
At 5,000 rpm with the lights on, check the regulator voltage is between
12.3
V and
14.5
V. At
5,000 rpm
with the lights on, check the regulator voltage is between
13V
and
15V
. In the presence of a regulator voltage exceeding
15V
, replace the regulator as definitely faulty.
FAULT 2
a) Check the correct current supply from the alternator: detach the regulator connector and attach the alternate current tester between the grey-blue wire terminal and earth. With the tester set onto alternate current, check the supplied voltage at
3,000 rpm
is between
25 and 30
V.
b) If no faults are found, replace the voltage regulator.
c) If the system is still malfunctioning after the regulator has been replaced, check the connections of the electrical system.
Direct current section The failure of the regulator's direct current section may cause, depending on the type of failure, the following inconveniences:
3) Blown fuse (regulator short-circuited), resulting in the catastrophic failure of the battery charging system.
Electrical system
ELE SYS - 45
Electrical system
Vespa PX 125 150 Euro 2
4) Battery recharge faulty (regulator open-circuited).
Interventions
FAULT 3
Replace the regulator, as certainly faulty, and the fuse.
FAULT 4
a) Attach an ammeter between the voltage regulator and the battery, and check that, at
3,000 rpm
and with the battery at
13V
, the current supplied is approximately
1.5 to 2
A.
If the measured values are below this limit, then replace the voltage regulator.
b) If replacing the regulator does not solve the problem, check, using the recommended tester, for peaks in the alternate currents between the yellow wire connection and the red wire departing from the positive battery pole. The voltage supplied by the generator must be between
26 and
30V
, at
3,000 rpm
(this measurement must obviously be carried out with the battery disconnected).
020331Y Digital multimeter
Bench tests to be performed on the electric starter motor
1) No-load test: the starter motor, unloaded, must absorb less than 10 A with a voltage supply > 11.7
V and must spin at more than 18,000 rpm.
2) Load test: load the starter motor so that the absorbed current is equal to 40 A, and the supplied voltage is 10 V. In such conditions, the output torque provided must 0.014 Nm, at a speed of no less than 10,000 rpm.
3) Breakaway test: with the rotor restrained and supplied voltage of 7 V, the absorbed current must not be higher than 100 A and the torque not less than 0.033 Nm.
N.B.
ALL THESE CHARACTERISTICS MUST BE MEASURED WITH CHARGED BATTERY AND AFTER
RUNNING THE MOTOR FOR 30" IN THE CONDITIONS STATED IN 1.
ELE SYS - 46
Vespa PX 125 150 Euro 2
Electrical system
3
4
1
2
5
6
Specification
Nominal voltage
Nominal power
Direction of rotation
Engine connection
Control
Battery
Desc./Quantity
12V
0,15 kW
Clockwise
Via pinion and gear ring on crankshaft, transmission-side
Pushbutton
12V - 9Ah
The starter system and horn are protected by a
7.5A fuse, «
A
», located on the LHS of the battery tray. Before replacing a burst fuse, it is necessary to find the cause of the failure. Never attempt to close the circuit with any material other than the fuse.
CAUTION
BEFORE REPLACING A BLOWN FUSE, FIND AND SOLVE
THE FAILURE THAT CAUSED IT TO BLOW. NEVER TRY
TO REPLACE THE FUSE WITH ANY OTHER MATERIAL
(E.G., A PIECE OF ELECTRIC WIRE).
CAUTION
MODIFICATIONS OR REPAIRS TO THE ELECTRICAL SYS-
TEM, PERFORMED INCORRECTLY OR WITHOUT STRICT
ELE SYS - 47
Electrical system
Vespa PX 125 150 Euro 2
ATTENTION TO THE TECHNICAL SPECIFICATIONS OF
THE SYSTEM, CAN CAUSE ERRORS IN FUNCTIONING
AND RISK OF FIRE.
COMMISSIONING A NEW DRY-CHARGED BATTERY
- Remove the battery air pipe stop cap and each single cell cap.
- Fill the battery with electrolyte of 1.270+/-0.01 kg/l density (corresponding to 31+/-1 Bé) with an ambient temperature not below 15°C, until it reaches the upper level indicated on the block.
- Tilt the battery slightly to remove any air bubbles formed during filling.
- Place the caps on each single cell filling hole without screwing them and leave the battery to rest.
During this stage, the battery is subjected to a gasification phenomenon and temperature increases.
- Let it rest until it reaches ambient temperature (this stage can take up to 60 minutes).
- Tilt the battery slightly to facilitate the elimination of any gas bubbles present inside; restore the level using the same filling electrolyte
Note: This is the last time that electrolyte can be added. Future top-ups should be done only with distilled water;
- Before 24 hours elapse, recharge the battery following these steps:
- Connect the battery charger terminals observing the correct polarity;
- Wit the battery charger drw. 020333Y and/or drw. 020334Y operate the battery charger control by selecting the position corresponding to that capacity;
- Otherwise, charge the battery with direct current equal to 1/10 of rated capacity (e.g. for a battery with a 9Ah rated capacity, the charging current should be 0.9-1.0A) for approximately a 4-6 hour charge.
Note: Batteries that have been stored for a long time may take a longer charging time. The battery chargers drw. 020333Y and drw. 020334Y have an automatic protection which interrupts the recharge after 12 hours to avoid battery harmful heating. In this case, a green LED turns on to indicate the activation of the safety system and not the end of the charge.
- Let the open circuit battery rest for approximately 4-6 hours; then check the off-load voltage using a standard tester.
- If the open-circuit voltage is higher or equal to
12.6V
, the battery is charged adequately. Slightly shake or tilt the battery to eliminate any air bubbles formed during recharging.
- Check the electrolyte levels again, fill them with distilled water up to the upper level line if necessary, clean battery properly, close each single cell cap tightly and install it on the vehicle.
- If the voltage indicated is low, charge the battery another 4-6 hours in the way described above.
Note:
With the battery charger drw. 020334Y, it is possible to check the battery charge level with the
Check
function. The value indicated on the display must be higher than the value indicated on the chart; otherwise, recharge the battery again in the same way indicated above.
ELE SYS - 48
INDEX OF TOPICS
E
NGINE FROM VEHICLE
ENG VE
Engine from vehicle
−
Remove the two fasteners, exhaust pipe-manifold and then the bolt fixing the exhaust to the engine.
Vespa PX 125 150 Euro 2
−
Remove the exhaust assy.
−
Remove the rear wheel.
−
Detach the rear brake cable.
−
Detach the electrical wires.
−
Detach the gear shifter cables.
−
Remove the throttle and choke cables.
−
Detach the oil and petrol hoses.
−
Remove the engine-frame bolt shown in the figure.
ENG VE - 50
Vespa PX 125 150 Euro 2
−
Remove the rear shock-absorber fixing nut and hence the bolt.
−
For the reassembly, follow the above operations in reverse order, using the prescribed tightening torques.
CAUTION
WHEN INSTALLING THE BATTERY, ATTACH THE POSI-
TIVE LEAD FIRST AND THEN THE NEGATIVE LEAD.
WARNING
Wear safety goggles when using hitting tools.
WARNING
Be very careful when handling fuel.
Engine - frame bolt *
61 ÷ 75
Shock-absorber engine bolt*
13 ÷ 23
Engine from vehicle
ENG VE - 51
INDEX OF TOPICS
E
NGINE
ENG
Vespa PX 125 150 Euro 2
−
Remove the three fixing screws shown in the figure and the cooling hood.
−
Remove the fixing screws shown and hence detach the volute and the gear shifter cover.
−
Remove the kick-start lever after having detached the lower fastener.
−
Remove the three screws shown in the figure.
−
Remove the stator.
Engine
ENG - 53
Engine
In order to guarantee the correct engine timing pay attention to the position of the stator, as shown in the figure.
Vespa PX 125 150 Euro 2
−
Remove the two screws and detach the drive box from the starter motor.
−
With the aid of a hacksaw, abrade the pinion head ring.
−
Using two screwdrivers, detach the cap.
−
Remove the retaining ring shown by the arrow in the figure and remove the pinion components.
WARNING
THE PACKING ON THE MATING SURFACE MUST AL-
WAYS BE REPLACED WITH A NEW ONE, USING «LOC-
TITE».
ENG - 54
Vespa PX 125 150 Euro 2
−
Using pliers for internal split rings, remove the retaining ring shown.
−
Lift the assembly by the end of the shaft and remove the shaft by hitting the housing with a mallet.
−
The removal of the bearing may be carried out by pushing in the direction shown in the figure.
This will also result in the removal of the drive gear.
−
In the event that the bearing remains on drive gear, use the special extractor.
−
After heating the drive gear with the air heater, refit the drive shaft with all the components previously removed.
−
Refit the remaining components following the above operations in the reverse order.
001467Y Extractor for bearings for holes
001467Y021 Extraction pliers for ø 11 mm bearings
020151Y Air heater
020150Y Air heater support
−
Position a new cap onto the pinion and round the edges using the special tool to safely lock the assembly in a vice.
−
Rotate the assembly by a quarter turn and proceed by rounding the remaining section of the caps circumference.
020057Y Calking tool
Engine
ENG - 55
Engine
−
After removing the rear cover, release the brush clips connected to the magnetic fields.
−
Remove the brush plate. Detach the old brushes and weld a new set of brushes, hence replace the brush plate.
Vespa PX 125 150 Euro 2
−
After removing the rear cover, detach the drive gear retaining pin and remove the gear.
−
Refit the assembly components in the reverse order.
−
Retain the flywheel using the special tool, hence remove the lock nut.
020095Y Flywheel retaining tool
−
Remove the flywheel retaining tool.
−
Extract the flywheel using the special extractor.
008564Y Flywheel extractor
ENG - 56
Vespa PX 125 150 Euro 2
−
Refit the components following above operations in the reverse order.
−
After refitting the flywheel, apply grease on the thread.
AGIP GREASE PV2 Grease for steering bearings, bolt seatings for swinging arms and faying surface of driven pulley spring (only pulley side)
Soap-based lithium and zinc oxide grease containing NLGI 2; ISO-L-XBCIB2
Flywheel fixing nut
60 ÷ 65
−
Loosen the four nuts and remove the cylinder head.
After removing the cylinder detach the wrist pin retaining rings and hence remove the piston.
Engine
ENG - 57
Engine
−
Always fit a roller cage of the type prescribed in the assembly clearance tables.
−
The arrow in the figure shows the location of the connecting rod's identification marking.
Vespa PX 125 150 Euro 2
−
Refit the cylinder assembly components following the removal procedure in the reverse order, paying particular attention to positioning the piston with the arrow marking on the crown pointing toward the exhaust port.
Head fixing nuts 16 ÷ 26
−
Remove the twelve fasteners and split the two crankcase halves carefully using a plastic or hard rubber mallet.
CAUTION
WITH A RUBBER BAND TIE THE CONNECTING ROD TO
THE TWO STUDS ON THE CLUTCH-SIDE, SO TO AVOID
ANY ACCIDENTAL DAMAGE DURING THIS PHASE AND
THE FOLLOWING ONES.
ENG - 58
Vespa PX 125 150 Euro 2
−
Install the special tool as shown and extract the crankshaft.
008886Y Crankshaft extractor
−
After removing the oil seal, using pliers for internal split rings, remove the bearing retaining ring shown.
−
From the side opposite that shown in the figure and with the aid of a flat head puncher, extract the bearing.
−
Using the special extractor, remove the roller bearing from the crankshaft.
004499Y Camshaft bearing extractor
−
Using the special extractor, remove the roller bearing from the crankcase.
Engine
ENG - 59
Engine
−
Heat the bearing housing with the air heater positioned onto its support.
−
After heating the crankcase, position the bearing using a length of tube pushing directly on the bearing's outer ring.
−
Position the bearing's retaining ring, hence proceed by refitting the sealing ring.
020151Y Air heater
020150Y Air heater support
−
Heat up the crankcase, as already done for the clutch-side half-crankcase, focusing exclusively on the bearing housing.
−
Position the bearing using a length of tube pushing directly on the bearing's outer ring.
Vespa PX 125 150 Euro 2
−
Position the crankshaft onto the special support.
−
Install the special spacer as shown in the figure and, using a length of tube of adequate diameter, push the bearing until the inner ring (heated up in oil at 120°C) comes into contact with the spacer.
−
Once the assembly is completed, remove the spacer.
020265Y Bearing fitting base
060007Y Crankcase bearing spacer
ENG - 60
Vespa PX 125 150 Euro 2
Engine
Automatic fuel mixer
The system is fed by oil contained in a separate tank.
The vehicle is equipped with two distinct tanks, each with individual hoses, for fuel and lubricant.
The fuel tank must be filled with petrol, no petrol-oil mixture of any kind, while for the lubricant tank
Selenia Hi Scooter 2T oil should be used. The oil level may be checked through the transparent tube
(see figure, 3) protruding from the tank.
Fuel is fed to the carburettor by gravity; oil is supplied through pump «p» whose stroke is controlled by the radial position of a shoe, on the inclined plane of the pump, driven by the throttle cable via a lever.
This means that for any given position of the throttle twist-grip the location of the shoe varies, thus varying the pump stroke hence suggesting that the oil mass flow is a function of both engine speed and throttle opening.
Important:
whenever the mixer device has been removed, overhauled or refitted, there may be no oil inside the ducts.
To allow the mixer to safely fill these ducts with oil, it is suggested that the fuel tank (1 in the figure) is first refilled with approx. 3 l of mixture containing 2% of SELENIA HI SCOOTER 2T oil. Once this first quantitative has been exhausted, any further refill must obviously consist of petrol only. The pump assembly constitutes, essentially, of a pumping element and its sliding housing, and is driven by a gear transmission (crankshaft/mixer shaft ratio: 1/85). The pumping element "P" is also provided, on its shaft, with a flatten surface which, because of the rotation, alternately opens and closes the oil inlet (5) and outlet (6) ducts, with the latter being equipped with a valve consisting of a sphere and spring. By such means the pump alternately performs the two phases of oil intake (A in the figure) and supply to the fuel diffuser (8 in the figure), where the fuel mixture is formed and fed into the engine.
ENG - 61
Engine
Vespa PX 125 150 Euro 2
Specification
Fuel tank filler cap
Oil tank filler cap
Oil level gauge
SEPARATE LUBRICATION device box
Oil inlet hose
Oil outlet hose
Oil outlet valve
A
B
Desc./Quantity
Inlet phase
Outlet phase
−
Remove the carburettor box.
−
Remove the mixer drive shaft from its housing.
ENG - 62
Vespa PX 125 150 Euro 2
−
Remove the 3 fixing screws and the mixer cover with the lever.
−
Remove the mixer pumping element.
−
Remove the mixer fixing screw and then use pliers for internal split rings to remove the mixer body.
−
Refit the components following the removal procedure in the reverse order, paying attention in positioning the pump body correctly in its housing, so to be able to easily insert the retaining screw.
carburettor
Engine
ENG - 63
Engine
−
Remove the two fixing screws and the carburettor cover.
Vespa PX 125 150 Euro 2
−
Remove the fasteners and the air filter.
−
After removing the air filter, loosen the two 8mm
Allen screws and hence remove the carburettor.
−
Loosen the fixing screw and remove the carburettor body.
ENG - 64
Vespa PX 125 150 Euro 2
−
Remove the main and idle jets and blow with compressed air.
−
Loosen the fixing screw and remove the float bowl.
−
Remove the starter jet and blow with compressed air.
−
Remove the float pin to release the float, and hence the conical needle.
Engine
ENG - 65
Engine
−
Check the starter choke valve; replace if worn.
Vespa PX 125 150 Euro 2
−
Refit the components replacing all seals.
WARNING
PETROL IS HIGHLY EXPLOSIVE ALWAYS REPLACE THE
GASKETS TO AVOID PETROL LEAKS
Remove the fasteners and the gear shifter.
From the side opposite to that shown in the figure and with the aid of a puncher, remove the conical pin and extract the gear shifting lever.
ENG - 66
Vespa PX 125 150 Euro 2
−
Split the two half-crankcases.
−
Using pliers for external split rings, remove the retaining ring and extract the gears.
−
Using a plastic mallet, remove the shaft.
−
Remove the multiple gear shaft lock nut.
−
Remove the multiple gear shaft using a mallet from the side opposite to that shown in the figure.
Do not let the 21 rollers composing the bearing fall onto the ground.
Engine
ENG - 67
Engine
−
After removing the internal oil seal and the external dust cover, remove the bearing retaining ring through the use of internal split ring pliers.
−
Extract the roller bearing using a flat head puncher from the side opposite to that shown in the figure.
−
After removing the retaining washer shown in the figure, remove the fastener underneath it, hence extract the even tension gear.
−
Remove the rivet head and replace any faulty component.
−
Refit the components using new rivets.
−
Replace the trunnion if worn.
CAUTION
THE TRUNNION BUSHING HAS A LHS THREAD.
Gear-box trunnion
15 ÷ 18
Vespa PX 125 150 Euro 2
ENG - 68
Vespa PX 125 150 Euro 2
−
Refit the trunnion «A» onto the gear shifter shaft
«B» and tighten it to the prescribed torque (LHS thread).
−
Prepare a tool «D» as shown in the figure and insert it into the groove machined on the shaft.
−
Align the tool's protrusion «C» with the edge «F» of the bushing to be rounded.
−
Using a hammer and a length of tube (internal diameter 17.5 mm), round the threaded end of the bushing on the trunnion.
−
Install the multiple gear onto its housing carefully positioning the 21 rollers, using the recommended grease to keep them in place during the reassembly.
−
With the refitting operation concluded, tighten the shaft lock nut to the prescribed torque.
AGIP GREASE MU3 Grease for odometer transmission gear case
Soap-based lithium grease with NLGI 3; ISO-L-
XBCHA3, DIN K3K-20
Multi-gear pinion nut
30 ÷ 35
−
Before proceeding by refitting the shifter shaft, it is necessary to check the axial play of the gear assembly.
−
Install the gears onto the shaft and check the end play with the special feeler gauge.
060824Y Inspection probe
Engine
ENG - 69
Engine
Axial play
0,20 ÷ 0,40 mm
−
Using the special tool, proceed by removing the gear shaft.
008119Y009 Tube to assemble shafts and axles
Vespa PX 125 150 Euro 2
Splitting the crankcase halves
−
Remove the 3 fixing screws and the clutch cover.
−
With the aid of a screwdriver, remove the balance screw.
ENG - 70
Vespa PX 125 150 Euro 2
−
Restrain the clutch using the special tool, as shown in the figure, then remove the locknut and the clutch assembly.
CAUTION
DURING THE OPERATIONS OF REMOVAL, DO NOT LET
THE WOODRUFF KEY FALL INSIDE THE ENGINE.
001729Y Clutch retaining tool
−
Remove the mixer drive gear from its housing.
−
Using the special tool, remove the clutch discs.
020322Y Clutch removing/fitting tool
−
Check the conditions of all components and the camber of the metal discs. A camber smaller than the prescribed one may cause slippage.
−
Refit the clutch assembly components inverting the order followed for the disassembly.
Engine
ENG - 71
Engine
−
Place the mixer drive gear with the rounded edge facing the crankcase bearing.
Vespa PX 125 150 Euro 2
−
Correctly position the woodruff key inside its housing.
−
Refit the clutch assembly onto the engine and tighten the locknut using the special retainer.
−
Refit the remaining components in following the procedures carried out from their removal in the reverse order.
001729Y Clutch retaining tool
Clutch assy. fixing nut
40 ÷ 45
ENG - 72
INDEX OF TOPICS
S
USPENSIONS
SUSP
Suspensions
After removing the front brake calliper, remove the plastic cap shown in the figure.
Remove the pin and the locknut.
It is now possible to remove the wheel axle nut.
Vespa PX 125 150 Euro 2
After removing the split ring on the outer side of the wheel hub, and the seal ring, remove the bearing using a length of pipe of adequate diameter and a mallet, as shown in the figure. Follow the same procedure to remove the roller cage on the opposite side.
Remove the 2 rear view mirrors and their fixing ring nuts. Remove the handlebar cover as described in the «Bodywork» chapter and the speedometer.
SUSP - 74
Vespa PX 125 150 Euro 2
Upon reassembly, tighten to the prescribed torque.
N.B.
* Safety tightenings
IN ORDER TO ENSURE THE CORRECT TIGHTENING TOR-
QUE, LUBRICATE NUTS BEFORE ASSEMBLY.
Handlebar fixing screw*
30÷44
−
After removing the top housing, lean the vehicle on one side and extract the steering column, making sure of having removed the brake calliper.
020055Y Wrench for steering tube ring nut
To remove the bearing housings from the frame use the special tool shown in the figure.
020004Y Punch for removing fifth wheels from headstock
Suspensions
SUSP - 75
Suspensions
−
Using the special tool remove the bearing and dust ring housings from the steering column as shown in the picture.
−
Proceed with mallet hits.
020004Y Punch for removing fifth wheels from headstock
−
Using the special tool, refit the dust ring and the bearing housing onto the steering column and push them as far as they go.
006029Y Punch for fitting fifth wheel seat on steering tube
Servicing the front suspension-steering assembly, described below, deals mainly with replacing parts
(pin- NADELLA roller bushings - sealing rings unit and dust guard) which connect the steering tube to the front wheel holder swinging hub.
N.B.
BEFORE PROCEEDING WITH THE DESCRIBED SERVICE,
CHECK THAT THE STEERING TUBE AND THE WHEEL
HOLDER HUB ARE IN EXCELLENT CONDITIONS: ONLY
THEN IS THE SERVICE JUSTIFIABLE.
MOREOVER, REMEMBER THE STEERING TUBE SHOULD
BE REPLACED WITH A NEW ONE WHEN DEFORMED.
a = Ø 12 Punch b = Sharp-edged end
Use a suitable punch with the dimensions indicated on the figure; hit with a mallet until the wedging washer is crushed and then extract it with the help of a pointed end.
Repeat the operation for the second washer using the punch on the side opposite to the one shown in the figure.
Use the tool fitted with part 1 as shown in the figure and move the tool handgrip until the pin and the
SUSP - 76
Vespa PX 125 150 Euro 2
Vespa PX 125 150 Euro 2
NADELLA are simultaneously ejected in the direction opposite the tool thrusting force.
After removing the pin and the first NADELLA, the swinging hub gets detached from the steering tube.
To remove the second NADELLA, use the tool fitted with part 2 instead of part 1, on the side opposite the one shown in the figure.
N.B.
DURING THE REMOVAL OPERATIONS DESCRIBED
ABOVE, THE ROLLER BUSHINGS ARE DESTROYED
WHEN THE EXTRACTOR IS USED. UPON REFITTING, IT IS
THEREFORE NECESSARY TO USE NEW BUSHINGS AS
WELL AS A NEW PIN, NEW SEALING RINGS AND DUST
GUARDS.
020021Y Front suspension service tool
Connect the swinging hub to the steering tube with the guiding pin.
- Use the tool fitted with part 3 on the stem and part
4 .
Lubricate the pin with recommended grease and insert it temporarily on the swinging hub, move the tool handgrip until part 3 is fully inserted on the steering tube.
After fitting the pin, insert the two spacers, slightly hitting them with the mallet.
N.B.
BEFORE PROCEEDING WITH THE DESCRIBED FITTING,
PLACE THE TWO DUST GUARD RINGS ON THE SWING-
ING HUB AS SHOWN IN THE FIGURE.
020021Y Front suspension service tool
AGIP GREASE SM 2 Grease for odometer transmission gear case
Lithium grease with NLGI 2 molybdenum disulphide; ISO-L-XBCHB2, DIN KF2K-20
Suspensions
SUSP - 77
Suspensions
Insert the sealing ring on the pin and the roller bushing with its wedging washer at the same time.
- Remove the tool and the part 5 (guide), which has been partially ejected during the previous pin fitting phase, and leave part 4 always fitted.
- Replace part 3 with part 16 (on the stem).
- By moving the tool handgrip, push the wedging washer - roller bushing - seal ring unit, placing part
16 until it stops on the swinging hub.
- Repeat the above operation using the tool with part 16 and part 22, instead of part 4, always fitted to the stem, on the side opposite that indicated in the figure to fit the second wedging washer - roller bushing - sealing ring unit.
WARNING
BEFORE PROCEEDING WITH THE DESCRIBED PRE-FIT-
TING, DIP THE SEALING RINGS IN MINERAL OIL AND THE
"NADELLA" ROLLER BUSHINGS (PREVIOUSLY WASHED
IN PURE PETROL OR NEUTRAL PETROLEUM TO ELIMI-
NATE THE ANTIRUST PROTECTION), HALF-FILLED WITH
GREASE.
020021Y Front suspension service tool
AGIP GREASE MU3 Grease for odometer transmission gear case
Soap-based lithium grease with NLGI 3; ISO-L-
XBCHA3, DIN K3K-20
- Use the tool fitted with part 20 on its stem and part 21 on the tool base as shown in the figure.
- By moving the tool handgrip, push the two NA-
DELLA bushings until their internal bottoms make contact with the pin end.
- Use the tool fitted with parts 3 and 4 to fit the pin, and press moving the tool handgrip, until wedging the washers on the swinging hub.
- Now, remove the two spacers (parts 17 and 16) and, once the space between the NADELLAs steering tube and swinging hub - has been fully
SUSP - 78
Vespa PX 125 150 Euro 2
Vespa PX 125 150 Euro 2
filled with grease, move the dust guard rings until they are placed in that space.
- By wedging the washers as described above, the front suspension unit refitting stage is finished.
AGIP GREASE MU3 Grease for odometer transmission gear case
Soap-based lithium grease with NLGI 3; ISO-L-
XBCHA3, DIN K3K-20
−
Grease bearings and housings.
−
Tighten to the prescribed torque and rotate the spanner in an anti-clockwise direction by 80°-90°.
020055Y Wrench for steering tube ring nut
AGIP GP 330 Grease (brake level, throttle twistgrip, gaer)
Calcium complex soap grease NLGI 2; ISO-L-
XBCIB2
Top steering housing
6÷7 (hence loosen by 80° -
90°)
Upper steering ring nut
5÷6
Suspensions
SUSP - 79
Suspensions
Remove the 2 fixings shown in the figure and the
2 fasteners on the shock-absorber support bracket located on the steering column.
Free the shock-absorber from the support bracket removing the top fixing.
Vespa PX 125 150 Euro 2
Remove the split ring shown in the figure.
Remove the two shock-absorber fixing screw and the odo/speedometer cable holder.
Extract the bracket from the axle using a rubber mallet.
In the event of grease leaks through the wheel hub, the cause may be found in the sealing ring fitted onto the calliper bracket.
After removing the wheel hub, extract the ring shown in the figure and replace it with a new one.
SUSP - 80
Vespa PX 125 150 Euro 2
−
After removing the spare wheel, remove the three fasteners shown in the figure.
−
Remove the rear wheel by loosening the five fixing screws.
Suspensions
−
When refitting the rear wheel, tighten all fasteners at the prescribed torque following a crosswise sequence.
Rim - hub fixing nuts (front-rear) 20 ÷ 27
For the rear shock-absorber replacement it is necessary to remove the engine - shock-absorber fixing bolt as shown in the figure.
Remove the gasoline and oil tanks, then remove the shock absorber upper fixing in the underseat compartment housing.
SUSP - 81
Suspensions
Detach the return spring from the centre stand, remove the 4 fasteners shown in the figure.
Vespa PX 125 150 Euro 2
SUSP - 82
INDEX OF TOPICS
B
RAKING SYSTEM
BRAK SYS
Braking system
−
Detach the brake hose from the calliper using a container to collect the fluid.
−
Remove the fasteners shown in the figure.
Vespa PX 125 150 Euro 2
−
When refitting, tighten the nuts to the prescribed torque.
−
Bleed the system.
N.B.
* Safety tightenings
IN ORDER TO ENSURE THE CORRECT TIGHTENING TORQUE, LUBRICATE NUTS BEFORE AS-
SEMBLY.
Pipe - calliper fitting 15÷25 Calliper fixing screw* 20÷25
−
Remove the rear wheel by loosening the 5 fasteners.
−
Remove the wheel hub.
−
Loosen the 5 disc fasteners.
−
When refitting, correctly position the disc, observing the direction of rotation (see figure) and apply medium thread-lock.
BRAK SYS - 84
Vespa PX 125 150 Euro 2
Braking system
N.B.
* Safety tightenings
IN ORDER TO ENSURE THE CORRECT TIGHTENING TORQUE, LUBRICATE NUTS BEFORE AS-
SEMBLY.
Loctite 243 Medium strength threadlock
Loctite 243 medium-strength threadlock
Disc fixing screw* 5÷6
−
Remove the wheel and check any possible disc's out-of-plane. The measured value must be less than 0.1 mm. If higher, replace the disc and repeat the check.
−
If the problem is not solved check and, if necessary, replace the wheel hub.
020335Y Magnetic support for dial gauge
−
To facilitate this operation it is suggested that the front wheel is removed, remove the plastic cap and apply leverage with a screwdriver.
−
Remove the external split ring from the pin, the spring and the pads themselves.
−
The pads must be replaced if the thickness of the working material is less than 1.5 mm.
−
When refitting, operate in the opposite way, paying attention in positioning the spring with the arrow pointing upwards.
BRAK SYS - 85
Braking system
Vespa PX 125 150 Euro 2
−
Once the bleeding valve is shut, top-up the circuit using fresh brake fluid.
−
Loosen the bleed screw.
−
Connect the special tool's tube to the bleed hole. To bleed the system, constantly refill the reservoir, while pumping out air with the Mityvac, until all air has been removed from the circuit, i.e. only fluid is pumped out of the system.
−
Tighten the bleed screw.
N.B.
IF AIR CONTINUES TO COME OUT DURING PURGING, EXAMINE ALL THE FITTINGS:
IF SAID FITTINGS DO NOT SHOW SIGNS OF BEING FAULTY, LOOK FOR THE AIR INPUT AMONG
THE VARIOUS SEALS ON THE PUMP AND CALLIPER PISTONS.
CAUTION
- DURING THE OPERATIONS, THE VEHICLE MUST BE ON THE STAND AND LEVEL.
N.B.
DURING PURGING FREQUENTLY CHECK THE LEVEL TO PREVENT AIR GETTING INTO THE
SYSTEM THROUGH THE PUMP.
WARNING
THE BRAKE FLUID IS HYGROSCOPIC, I.E. IT ABSORBS HUMIDITY FROM THE AIR. IF THE HU-
MIDITY LEVEL IN THE FLUID EXCEEDS A GIVEN VALUE, THE BRAKING PERFORMANCES MAY
SERIOUSLY DETERIORATE. IT IS THEREFORE RECOMMENDED THAT FRESH FLUID IS TAKEN
FROM NEW CONTAINERS. IN NORMAL CLIMATIC CONDITIONS, THE FLUID SHOULD BE RE-
PLACED EVERY TWO YEARS. IF THE BRAKES ARE HIGHLY STRESSED, INCREASE THE
FREQUENCY WITH WHICH THE FLUID IS REPLACED.
CAUTION
WHEN CARRYING OUT THE OPERATION, BRAKE FLUID MAY LEAK FROM BETWEEN THE
BLEED SCREW AND ITS SEAT ON THE CALLIPER. CAREFULLY DRY THE CALLIPER AND DE-
GREASE THE DISC SHOULD THERE BE BRAKE FLUID ON IT.
AGIP BRAKE 4 Brake fluid
FMVSS DOT 4 Synthetic fluid
With the operation concluded, tighten the bleed screw to the prescribed torque.
020329Y MityVac vacuum-operated pump
Oil draining screw
10÷12
BRAK SYS - 86
Vespa PX 125 150 Euro 2
−
Loosen the two fasteners shown in the figure.
−
Detach the hose, collecting the fluid inside a container.
−
For refitting, perform the operation in the reverse order.
−
Tighten the pipe to the prescribed torque and bleed the circuit.
Reservoir - pipe fitting 8÷12
−
Remove the rear wheel.
−
Straighten the splint pin and remove the lock nut.
Braking system
BRAK SYS - 87
Braking system
−
After removing the hub, proceed as follows:
1. Remove the shoe spring using the special pliers.
2. Remove the two retainers shown in the figure.
3. Remove the shoes using a lever.
4. Fit the new shoes with the aid of a mallet.
5. Attach the return spring using the special pliers.
020325Y Brake-shoe spring calliper
−
Refit the components following the removal procedures in the reverse order, tightening the wheel nut to the prescribed torque.
WARNING
-ALWAYS USE NEW SPLIT PINS FOR REFITTING.
WARNING
- FOLD THE EDGES OF THE SPLIT PIN AS SHOWN IN OR-
DER TO AVOID BACKSLASH BETWEEN THE CAP AND
THE WHEEL AXLE.
Wheel axle nut
90÷110
After loosening the brake fixing on the rear wheel, remove the 3 fasteners indicate in the figure.
Remove the rubber from the pedal and detach the electrical wiring.
Vespa PX 125 150 Euro 2
After this operation it is possible to remove the fore brake cable retainer, removing the splint pin and its pin.
It is also possible to replace the stop switch by acting upon its fixing.
BRAK SYS - 88
INDEX OF TOPICS
C
HASSIS
CHAS
Chassis
Remove the 3 fasteners shown in the figure.
Vespa PX 125 150 Euro 2
After removing the rear-view mirrors, the attachments and their seals, remove the four fasteners shown in the figure, detach the electrical wiring and the odo/speedometer cable to replace the dashboard assembly.
Once the handlebar is removed act upon the two lips on the dashboard.
After removing the handlebar cover, remove the 2 fasteners show in the figure and the headlight adjusting screw underneath the handlebar.
Detach the wirings. To replace the bulbs simply release the springs holding back the socket and replace any blown bulb.
CHAS - 90
Vespa PX 125 150 Euro 2
−
Remove the 2 fasteners for each turn signal light.
To remove the ignition key-switch when in the
«ON» position, i.e. steering lock disengage and ignition earthed, proceed as follows:
−
Remove the three handlebar fixing screws and the handlebar cover.
−
Insert a small screwdriver inside the hole shown in the figure (from underneath the lock body) and push until releasing the securing tongue; hence extract body and master cylinder.
The refitting operations of the lock body and the new master cylinder (on the outer lock body) are as follows:
−
Carefully clean the body from any impurity (if the cylinder has been drilled), using compressed air.
−
Position the body in its housing after fitting the retaining spring «E».
−
Insert the cylinder assembly, with key and tongue «F» facing downwards, halfway inside the lock body, ensuring that during this operation, they is in the «ON» position (the only position that allows the insertion of the cylinder); at the point turn the key leftwards and push as far as the cylinder will go.
−
Check the assembly via the key excursion in the three positions and proceed by refitting the handlebar cover.
Chassis
CHAS - 91
Chassis
Vespa PX 125 150 Euro 2
Replace the seat and glove-box cylinders. To replace these follow the operations described for the removal of the cylinder when the ignition keyswitch is in the «LOCK» position. If the locks have been left open however, extract the cylinder by pushing lip «F» shown in the figure after having carefully cleaned the housing. Then insert the new cylinder. Bear in mind that for the replacement of the cylinder on the seat lock, it is necessary to remove the lock assembly, acting upon the three screws.
Should it be necessary to replace the steering lock cylinder when the keys have gone missing, proceed as follows:
Cylinder removal:
in the event that the key-switch is in the «LOCK» position, it is necessary to
proceed by drilling the cylinder
with the aid of a Ø8 mm at least 30 mm long: this allows to release (or destroy) the internal retaining device of the drilled cylinder. Hence extract the body and any residues so to be able to use the body for refitting.
−
Remove the 2 fixings shown in the figure and replace the blown bulbs.
−
Replace, if necessary, the taillight lens.
−
To replace the taillight assy., remove the lens, detach the wiring and remove the 2 fasteners from underneath the frame.
CHAS - 92
Vespa PX 125 150 Euro 2
−
Remove the 2 fasteners for each turn signal light.
After removing the seat, detach the electrical connection of the fuel level sensor. Remove the 2 remaining fixings to free the fuel tank assembly.
Lift both tanks thus detaching the hoses with the fuel tap shut to separate the fuel-oil tanks. Remove the tank filler cap and insert the special tool through the tube. Proceed by loosening the nut and the acting upon ring «B» until releasing the oil tank.
020321y Carburettor float removing tool
002850y Oil tank spanner
002973y Fuel tap spanner
Remove the tank filler cap and insert the spanner thus loosening nut «D», hence extract the fuel tap.
Chassis
CHAS - 93
Chassis
−
Remove the 2 fixings from underneath the mudguard.
Vespa PX 125 150 Euro 2
−
After removing the handlebar and the steering column assembly, remove the 3 fasteners shown in the figure.
−
Remove the 2 fixings shown in the figure and the
2 top fasteners from inside the glove-box.
−
Remove the glove-box assembly.
CHAS - 94
Vespa PX 125 150 Euro 2
After removing the steering column cover, remove the horn and the grid fixings.
Replace the grid.
Lift the seat and act upon either one of the two lever, according to which cowling must be removed (RHS or LHS).
Chassis
CHAS - 95
INDEX OF TOPICS
P
RE
-
DELIVERY
PRE DE
Vespa PX 125 150 Euro 2
Pre-delivery
Carry out the listed tests before delivering the vehicle.
WARNING
BE VERY CAREFUL WHEN HANDLING FUEL.
−
Paint
−
Plastic joints
−
Damages
−
Dirt
−
All tighten torques summarised in pages 1 - 5.
−
External covers screws.
−
Fill the battery with acid, and charge with appropriate charger.
−
Ignition key-switch.
−
Low-beam light, high-beam light, warning lights, side-light.
−
Headlight adjustment.
−
Taillight.
−
Stop light (eventually front and rear lights).
−
Turn signal lights and warning lights.
−
Dashboard illumination.
−
Horn.
−
Starter button.
CAUTION
TO ENSURE MAXIMUM PERFORMANCE, THE BATTERY MUST BE CHARGED BEFORE USE.
INADEQUATE CHARGING OF THE BATTERY WITH A LOW LEVEL OF ELECTROLYTE BEFORE
IT IS FIRST USED SHORTENS BATTERY LIFE.
WARNING
BEFORE RECHARGING THE BATTERY, REMOVE THE CAPS OF EACH CELL.
KEEP THE BATTERY AWAY FROM NAKED FLAMES OR SPARKS WHILE IT IS CHARGED.
REMOVE THE BATTERY FROM THE SCOOTER, DISCONNECTING THE NEGATIVE TERMINAL
FIRST.
CAUTION
WHEN INSTALLING THE BATTERY, ATTACH THE POSITIVE LEAD FIRST AND THEN THE NEG-
ATIVE LEAD.
- BATTERY ELECTROLYTE IS TOXIC AND IT MAY CAUSE SERIOUS BURNS. IT CONTAINS SUL-
PHURIC ACID. AVOID CONTACT WITH EYES, SKIN AND CLOTHING.
IN CASE OF CONTACT WITH EYES OR SKIN, RINSE WITH ABUNDANT WATER FOR ABOUT 15
MINUTES AND SEEK MEDICAL ATTENTION AT ONCE.
IF IT IS SWALLOWED, IMMEDIATELY DRINK LARGE QUANTITIES OF WATER OR VEGETABLE
OIL. SEEK IMMEDIATE MEDICAL ATTENTION.
PRE DE - 97
Pre-delivery
Vespa PX 125 150 Euro 2
THE BATTERIES PRODUCE EXPLOSIVE GAS; KEEP THEM AWAY FROM NAKED FLAMES,
SPARKS AND CIGARETTES. VENTILATE THE AREA WHEN RECHARGING INDOORS.
ALWAYS WEAR EYE PROTECTION WHEN WORKING IN THE PROXIMITY OF BATTERIES.
KEEP OUT OF THE REACH OF CHILDREN
CAUTION
NEVER USE FUSES WITH A CAPACITY HIGHER THAN THE RECOMMENDED CAPACITY. USING
A FUSE OF UNSUITABLE RATING MAY SERIOUSLY DAMAGE THE VEHICLE OR EVEN CAUSE
A FIRE.
−
Brake fluid.
−
Gear-box.
−
Oil tank.
−
Cold start.
−
Speedometer check.
−
Throttle check.
−
Riding stability.
−
Front and rear brake efficiency.
−
Front and rear shock-absorbers.
−
Unusual noises.
−
Hot engine restart.
−
Leakages (after trial run).
−
Brake lever excursion.
−
Throttle excursion and adjustment.
−
Homogeneous steering turning.
Other
−
Tyre pressure.
−
All locks.
−
Rear-view mirrors and accessory fitting.
−
Tooling kit, owner manual, warranty certificate and customer service card.
CAUTION
CHECK AND ADJUST TYRE PRESSURE WITH TYRES AT AMBIENT TEMPERATURE.
CAUTION
NEVER EXCEED THE RECOMMENDED INFLATION PRESSURES OR TYRES MAY BURST.
PRE DE - 98
INDEX OF TOPICS
T
IME
TIME
Time
Vespa PX 125 150 Euro 2
1
2
3
Code
001001
003064
003057
Action
Engine from the frame - removal and refitting
Engine oil - replacement
Engine retainer - Tighten nuts
Duration
TIME - 100
Vespa PX 125 150 Euro 2
Time
3
4
1
2
Code
001117
001118
001099
001100
Action
Crankshaft - Replacement
Crankcase bearings - Replacement
Oil seal, flywheel side - Replacement
Clutch-side oil seal - Replacement
Duration
TIME - 101
Time
Vespa PX 125 150 Euro 2
3
4
1
2
Code
001002
001107
001093
001094
Action
Cylinder/piston - Replacement
Cylinder/Piston - Overhaul/Cleaning
Spark plug - Replacement
Spark plug cap - Replacement
Duration
TIME - 102
Vespa PX 125 150 Euro 2
Time
1
Code
001087
Action
Flywheel cover - Replacement
Duration
TIME - 103
Time
Vespa PX 125 150 Euro 2
1
2
Code
001018
001028
Action
Mixer - Replacement
Oil pump drive shaft - Replacement
Duration
1
2
3
TIME - 104
Code
001020
001039
001038
Action
Starter motor - change
Starter motor brushes - Replacement
Starter motor - Overhaul
Duration
Vespa PX 125 150 Euro 2
4
Code
001017
Action
Starter motor shaft - Replacement
Duration
Time
1
2
3
Code
008008
001120
001084
Action
Kick-starter gear spring - Replacement
Crankcase bearings - Replacements
Starter lever - Replacement
Duration
TIME - 105
Time
Vespa PX 125 150 Euro 2
3
4
1
2
5
Code
001067
001004
001058
001059
003052
Action
Stator - Removal and refitting
Stator - Overhaul
Flywheel - Replacement
Pick-up - Replacement
Ignition timing
Duration
TIME - 106
Vespa PX 125 150 Euro 2
Time
1
2
3
Code
001063
001008
003058
Action
Carburettor - Replacement
Carburatore - Revisione
Carburettor - Adjustment
Duration
TIME - 107
Time
Vespa PX 125 150 Euro 2
1
Code
001009
Action
Exhaust pipe - Replacement
Duration
TIME - 108
Vespa PX 125 150 Euro 2
Time
1
2
Code
001014
001027
Action
Air filter - Replacement
Air-cleaner/frame bellow - Replacement
Duration
TIME - 109
Time
Vespa PX 125 150 Euro 2
1
2
3
Code
004001
006001
004023
Action
Frame - Replacement
Frame - Painting
Shield rim - Replacement
Duration
TIME - 110
Vespa PX 125 150 Euro 2
Time
1
Code
004004
Action
Centre-stand - Replacement
Duration
TIME - 111
Time
Vespa PX 125 150 Euro 2
1
Code
004024
Action
Steering column fairing - Replacement
Duration
1
Code
004025
Action
Side fairing locks - Replacement
Duration
TIME - 112
Vespa PX 125 150 Euro 2
Time
1
Code
006005
Action
Side fairings - Painting
Duration
TIME - 113
Time
1
Code
004015
Action
Footrests - Replacement
Vespa PX 125 150 Euro 2
Duration
1
2
3
Code
004083
006019
004081
Action
Glove box - Replacement
Glove-box - Painting
Glove-box door - Replacement
Duration
TIME - 114
Vespa PX 125 150 Euro 2
Time
1
2
3
Code
004002
006003
003045
Action
Front mudguard - Replacement
Mudguard - Painting
Steering tube - Replacement
Duration
TIME - 115
Time
Vespa PX 125 150 Euro 2
1
Code
005010
Action
Fuel tank float - Replacement
Duration
TIME - 116
Vespa PX 125 150 Euro 2
3
4
1
2
Code
004005
004007
004110
006024
Action
Fuel tank - Replacement
Fuel tap - Replacement
Fuel tank hose - Replacement
Fuel tank - Painting
Duration
Time
1
Code
004017
Action
Oil tank - Replacement
Duration
TIME - 117
Time
Vespa PX 125 150 Euro 2
1
Code
003007
Action
Rear shock-absorber - Removal and refitting
Duration
TIME - 118
Vespa PX 125 150 Euro 2
Time
3
4
1
2
Code
003002
004119
003073
004010
Action
Steering bearings - Replacement
Steering support bearing - Replacement
Steering play - Adjustment
Steering lock - Replacement
Duration
1
Code
002059
Action
RHS twist-grip - Replacement
Duration
TIME - 119
Time
2
3
4
Code
002024
002047
002021
Vespa PX 125 150 Euro 2
Duration Action
Front brake pump - Removal and refitting
Front brake fluid - Replacement and circuit bleeding
Front brake hose - Removal and refitting
3
4
1
2
Code
005062
002071
002037
001035
Action
Neutral switch - Replacement
Left hand grip - Replacement
Brake or clutch lever - Replacement
Clutch lever - Replacement
Duration
TIME - 120
Vespa PX 125 150 Euro 2
Time
1
2
Code
004003
004054
Action
Saddle - Replacement
Saddle lock catch - Replacement
Duration
TIME - 121
Time
Vespa PX 125 150 Euro 2
1
4
5
2
3
6
Code
005038
005014
006010
004066
003001
006011
Action
Dashboard warning/telltale lights -
Replacement
Odometer - Replacement
Top handlebar cover - Painting
Rear-view mirror - Replacement
Top handlebar cover - Removal and
Refitting
Lower handlebar cover - Painting
Duration
TIME - 122
Vespa PX 125 150 Euro 2
Time
1
2
3
Code
005066
005005
005028
Action
Rear light bulbs - Replacement
Taillight - change
Rear light assembly glass - Replacement
Duration
TIME - 123
Time
1
2
Code
005008
005002
Vespa PX 125 150 Euro 2
Action
Headlight bulbs - Replacement
Front light - Replacement
Duration
4
5
6
7
1
2
3
Code
005011
005012
005067
005068
005022
005006
005039
Action
Starter relay - Replacement
Front turn signal light - Replacement
Front turn indicator bulb - Replacement
Rear turn indicator bulb - Replacement
Rear turn signal light- Replacement
Turn signals switch - Replacement
Headlight switch - Replacement
Duration
TIME - 124
Vespa PX 125 150 Euro 2
Time
1
2
3
Code
004123
003047
003037
4
5
006018
003063
Grease tone wheel or drive
Please take note that the code has been intro-
Action
Front wheel - Replacement
Front tyre - replace
Front wheel rim - Removal and Refitting
Wheel rim - Paintwork
Tyre pressure - Check duced:
900001 - Tone wheel / drive greasing - 15'.
Never mistake the codes 002011 (movement sensor replacement) and 005089 (tone wheel replacement) in the event of noise of the indicated components. The grease recommended is TUTE-
LA MRM 2 (soap-based lithium grease with Molybdenum disulphide).
In the following points we indicate with an arrow the area to be greased (1 - Drive, 2 - Tone wheel)
Duration
TIME - 125
Time
Vespa PX 125 150 Euro 2
1
2
Code
005024
005025
Action
Battery fuse - Replacement
Battery fuse holder - Replacement
Duration
TIME - 126
Vespa PX 125 150 Euro 2
Time
1
2
3
Code
005009
005007
004071
Action
Voltage regulator - Replacement
Battery - Replacement
Battery compartment - Replacement
Duration
TIME - 127
Time
1
Vespa PX 125 150 Euro 2
Code
005001
Action
Electric circuit - Replacement and
Refitting
Duration
1
2
Code
005013
005045
Action
Electronic blinker - Replacement
Starter motor wire harness - Replacement
Duration
TIME - 128
Vespa PX 125 150 Euro 2
Time
1
2
3
Code
005003
005017
005069
Action
Horn - Replacement
Stop light switch - Replacement
Left switch - Replacement
Duration
TIME - 129
Time
1
Code
001023
Action
CPU - Replacement
Vespa PX 125 150 Euro 2
Duration
1
2
3
4
5
Code
002008
002056
002051
002049
002046
Action
Choke cable - Replacement
Gear shifter cable assy. - Replacement
Odo/Speedometer cable assy. - Replacement
Odometer cable - Replacement
Gear shifter cable - Replacement
Duration
TIME - 130
Vespa PX 125 150 Euro 2
Time
1
2
3
4
5
6
Code
002055
002063
002053
003060
003061
002045
Action
Clutch cable assy. - Replacement
Throttle cable assy. - Replacement
Rear brake transmission complete replacement
Rear brake cable - Adjustment
Accelerator transmission - Adjustment
Clutch cable - Replacement
Duration
TIME - 131
Time
Vespa PX 125 150 Euro 2
1
2
3
Code
003070
002007
002039
Action
Front brake pads - Wear check
Front brake pads - Removal and refitting
Front brake calliper - Removal and refitting
Duration
TIME - 132
Vespa PX 125 150 Euro 2
Time
1
Code
003010
Action
Front suspension - Service
Duration
TIME - 133
Time
Vespa PX 125 150 Euro 2
1
Code
003011
Action
Front shock absorber - Removal and
Refitting
Duration
TIME - 134
Vespa PX 125 150 Euro 2
Time
1
2
Code
002002
003071
Action
Rear brake shoe(s) - Replacement
Rear brake shoe(s) - Wear check
Duration
TIME - 135
Time
1
Vespa PX 125 150 Euro 2
Code
002014
Action
Brake pedal - Removal and refitting
Duration
3
4
1
2
Code
002010
001016
004026
001071
Action
Rear brake drum - Replacement
Rear wheel - Replacement
Handlebar cover - Replacement
Rear wheel rim - Removal and refitting
Duration
TIME - 136
Vespa PX 125 150 Euro 2
Time
1
2
3
Code
003033
002041
003040
Action
Front wheel hub- Replacement
Brake disc - Replacement
Front wheel bearings - Replacement
Duration
1
Code
002016
Action
Rear brake shoe plate - Replacement
Duration
TIME - 137
Time
2
Code
003012
Vespa PX 125 150 Euro 2
Duration Action
Brake shoe plate - Removal and Refitting
1
2
3
4
5
Code
001162
001161
001165
001163
001164
Action
Secondary air housing - Replacement
Secondary air filter - Replacement /
Cleaning
Secondary air reed - Replacement
SAS valve / Head connection - Replacement
Secondary air-crankcase manifold -
Replacement
Duration
TIME - 138
Vespa PX 125 150 Euro 2
Time
1
Code
001073
Action
Clutch cover - Removal and refitting
Duration
1
Code
001022
Action
Clutch - Removal
Duration
TIME - 139
Time
Vespa PX 125 150 Euro 2
1
2
1
Code
001119
001025
Action
Gearbox components - Replacement
Gearbox - Overhaul
Code
001029
Action
Gear shifter -
Overhaul
Duration
Duration
TIME - 140
Vespa PX 125 150 Euro 2
Time
1
Code
001077
Action
Gear shifter components - Removal and refitting
Duration
TIME - 141
Air filter:
Brake:
Brake fluid:
Carburettor:
,
,
,
,
,
Fuel:
Fuses:
Headlight:
,
Horn:
Identification:
Instrument panel:
Maintenance:
Spark plug:
Tank:
,
Transmission:
* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project
advertisement
© 2021