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Ignition VESPATRONIC, 20mm,

for Vespa PK50-125/S/XL/XL2
flywheel ca.: 1050g,
cone 20/20mm/ 20/24mm, M12,
incl. stator plate, ignition
coil, voltage regulator,
tool, grey fan


The unique electronic ignition system, 12v 90W with variable timing.

The ultimate for Vespa owners who wish to use a performant and efficient scooter, bright lights during the day and night, reliable running with no moving parts.

The technical features are as follows:

  • Timing adjusts automatically, with a pre programmed curve of up to 8 degrees
  • Nylon fan, light with good air flow for cooling. Can be used with the standard cowls
  • High power output, 12V 90W easy starting, greatly improved performance
  • HT coil and regulator are both efficient and compact, can easily be fixed anywhere
  • The regulator supplies a clean current assuring stable current for long life for bulbs and electrical systems
  • Regulator can be used for both AC and DC, battery charge out will even allow you to run a PC or mobile phone!
  • The power of the regulator is both powerful and strong, even at low revs there is enough power to run 35W halogen bulbs, giving safe riding night or day
  • Twin sparks on each revolution also burns the waste gasses still in the cylinder, greatly reduces pollution
  • The easy interchangeable nature of the system and its parts makes maintenance and repair very easy, without the need for specialist charges
  • The electrical components can be replaced with just two bolts, with no need to reset or adjust the timing. All parts are checked and tested by us.
  • All kits supplied complete including electrical diagram securing spanner and puller.

Stoffi, SIP-STOFFI Racing Team, German Champion ESC 2006/2007:

"The Vespatronic was the most important tuning step of our race scooters in 2007: A lot of torque in the low revs. A good accelaration in the middle and to the top. No problems for the durability, the scooters run like speedy gonzales. perfect."


SCOOTERING, 12/2009:

"The Vespatronic is most useful for road riders."


Fitting Instructions from Tino Sacchi, Lambretta-Guru and Vespatronic-Pope from Milano, Italy, 2008:

- Follow the wiring diagram. Wrong connections could damage the unit. Very important is the earth connection.

- The Transducer (HT unit) is very important. Do not manipulate it or modify it. Fit it correctly to avoid vibrations.

- The nut of the flywheel must be tightended with the original washer. A loose nut or an omitted wahser will damage rotor or crankshaft.

- The crankshaft bearings should be new, the spark plug and the sparkplug cap of high quality.

- If the revs will be increased, lock the screws of the flywheel with Loctite.

- All the parts are tested by the manufacturer before being delivered.





icon explos Spare Parts Catalogue
This article can be found in the following exploded drawings ... go Go to Exploded Drawings!
78043820 $9.03
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Ignition PK/S/XL/XL2/FL


2,380g / piece
Stock on hand   Amount


Pages(s) 28 358 to open.
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Product forums
Spare Parts
icon scootermodels This product fits the following models
divider Producer/Model divider cc divider Type divider Engine divider Yr. of Const. divider Extra
VESPA 100 (UK) / 100 Sport (US) 100 V9B1T 2T AC `78-`90 50001 ->
VESPA PK 50 50 V5X1T 2T AC `82-`84 14532 -> (large cone)
VESPA PK 50 S / Elestart 50 V5X2T 2T AC `82-`84 181679 -> (large cone)
VESPA PK 50 S / Elestart 50 V5X2T 2T AC `82-`84 3007755 ->
VESPA PK 50 S Lusso / Elestart 50 V5X2T 2T AC `85-`88 181679 -> (large cone)
VESPA PK 50 S Lusso / Elestart 50 V5X2T 2T AC `85-`88 3007755 ->
VESPA PK 50 SS / Elestart 50 V5S1T 2T AC `83-`86
VESPA PK 50 XL / Elestart 50 V5X3T 2T AC `85-`90
VESPA PK 50 XL FL 50 V5N1T 2T AC `90-
VESPA PK 50 XL HP 50 V5N2T 2T AC `91-`91
VESPA PK 50 XL N NUOVA 50 V5X5T 2T AC `89-`90
VESPA PK 50 XL Rush / Elestart 50 V5X4T 2T AC `88-`90
VESPA PK 50 XL2 / Elestart 50 V5X3T 2T AC `90-
VESPA PK 50 XLS 50 V5S2 2T AC `86-
VESPA PK 80 S / Elestart 80 V8X5T 2T AC `82-`86 5635 ->, large cone
VESPA PK 80 S Lusso / Elestart 80 V8X5T 2T AC `85-`88 5635 ->
VESPA PK100 S / Elestart 100 V9X1T 2T AC `82-`84 41359 ->
VESPA PK125 125 VMX1T 2T AC `82-`85 7413 ->
VESPA PK125 ETS / Elestart 125 VMS1T 2T AC `84-`85
VESPA PK125 N NUOVO (FL) 125 VMX7T 2T AC `90-`91
VESPA PK125 S / Elestart 125 VMX5T 2T AC `82-`84 3007791 ->
VESPA PK125 S / Elestart 125 VMX5T 2T AC `82-`84
VESPA PK125 XL / Elestart 125 VMX6T 2T AC `86-`90
VESPA PK125 XL2 125 VMX6T 2T AC `90-

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