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Below are diagrams of typical Vespa PX series, various plain language component colloquialisms are given with descriptions of any differences between models. This is designed as an aid for part identification and to help understand how components relate to each other. For more accurate information please contact us . This is a guide only & we cannot accept any claims for loss, injury, or stupidity as a result of.

Underslung mirrors, overslung are available for EFL/MY

Speedo, 4 types avail, Mk1, EFL, T5, MY

Handlebar top, 3 types avail, MK1, EFL, MY T5 is radically different

Gear control tube

Fork pinch bolt

Tube bushes are unique to LML models only

Chassis/frame, 2 types, injection & non injection. T5 T5 radically different as it has a longer seat area

Horn casting, 4 types, Mk1, EFL, MY & T5

grille

Rear protection/bumper, several types available

T5 DISC, unique to LML, see schematic further on for T5 drum.

Fuel sender unit, Piaggio & LML are different

Fuel filter in tank

Tank gasket

Crank engine cases, several types, MK1 points model small block, MK1 points model large block, small & large block electronic and or electric start EFL or MY, T5 injection or non inj, LML 3 port small block same as piaggio EFL, LML reed small block

Crank 3 types, small block, large block and T5

Non injection tank

Cork friction plates

steels

Primary drive,
PX125, 150, T% & LML vary from 21 teeth to 22. P200 has 23 teeth and is unique to the large block

Old style clutch assy, either six spring 4” for PX125-150-LML or 7 spring 4.25” for P200 & T5

Fuel sender unit

Fuel cock
assy

Clutch basket,
There are three types, 4” 6 spring found on earlier PX, 4.25” 7 spring found on P200, T5, and the later COSA style clutch found on P200, PX125 MY

Barrels come in three basic sizes, 125, 150, 200cc. The T5 version is radically different

Overview on crank cases, there are three types, small block 125-150, large block 200 and the unique T5. These all have unique barrel/pistons and cranks.

Silencers. There are three types, standard px125 expansion, standard 200 expansion and the unique T5 expansion..
The later 125 came in catalysed specification and can be very restrictive.

Headlamp units, the P range versions all had glass tungsten type reflectors and bulbs, however the later MY model has plastic & halogen fitment. The MK1 T5 has a unique reflector

Stoplight switch, this is generic on all P ranges

Rear reflecter assy, several versions apply please check. Mk1 T5 is unique

Adaptor relay

Throttle tube

Plug socket to offer power to panel indicators

Rear shock. This is an Indian full length version, the Italian unit has an extension nut on the top & has a shorter body

Flyside seal

crank

NB, T5 and older Rally flyside bearings are different

Castleated nut & tab washer, COSA style clutch has a flange nut instead

T5 style key tray, strangely referred to in Piaggio parts book as a ‘drinks tray’. Surely your pint would fall off in heavy traffic?

barrel

Ignition switch

Upper fork bearing races

lower fork bearing races

Swinging arm bolt (foundation bolt). PX125-150 has different silent blocks (rubber bush’s) than P200 & T5

Glove box/tool box

3 types of plastic cooling hood 125-200, P200 and T5

Dust cover

DRUM VERSION

Drum back plate

Regulater boxs, three ratings, 80w, 90w, 96w & two positions, three pins & five pins, what do you need??

Flasher relay, three types

Indicator buzzer

CABLES:
1.front brake (not disc models)(T5 diff)
2. Rear brake (T5 diff)
3. Speedo
4. Choke
5. Throttle
6. Gear cables x2
7. Clutch cable
Seek advice on suitability

T5 Mk1, T5 classic has normal round PX lamp unit & handlebar

3 types of carb used all derivitive SI Dell’orto or Spaco/Jetex
20, 22, 24 mm venturi, T5 24mm short stack vortex type with larger filter.
26mm spaco variant available as after market part. Versions available as non inj or full oil injection.

HYDRAULIC FRONT BRAKE DISC VARIANT, DISC-EFL-LML-PIAGGIO MY, T5 only ever produced as drum version except export LML variant.

EFL & LML handlebar shell top has notch for brake hose, MY has vanity extension bar moulded in to

Master cylinder, usually Grimeca or Asian copy

Slave cylinder or ‘calliper’

Calliper holding bracket, 2 types available, Piaggio & LML

Front disc hub, 2 types available Piaggio & LML. Both are inter changeable but not mixable

WIRING LOOMS: several types produced over the years all with slightly different plug sockets but basically can be divided in to AC & DC types, seek advice if unsure

HT COIL: Piaggio use a combined ‘Ducati’ style CDI/coil unit, LML use separate units

Selecter box, 2 types, earlier and later EFL onwards

MAGNETO ASSY: 3 types available, PX125-150-200-LML STAR, T5, and LML external pickup such as used on NV & Stella.

Christmas tree

Cush drive assy