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Tuningkit 55mph -POLINI 102 cc- Vespa PK50 XL2/FL - Sport setup

3333585
Tuningkit 55mph -POLINI 102 cc- Vespa PK50 XL2/FL - Sport setup
Tuningkit 55mph -POLINI 102 cc- Vespa PK50 XL2/FL - Sport setup
Tuningkit 55mph -POLINI 102 cc- Vespa PK50 XL2/FL - Sport setup
Tuningkit 55mph -POLINI 102 cc- Vespa PK50 XL2/FL - Sport setup
Tuningkit 55mph -POLINI 102 cc- Vespa PK50 XL2/FL - Sport setup
Tuningkit 55mph -POLINI 102 cc- Vespa PK50 XL2/FL - Sport setup
Tuningkit 55mph -POLINI 102 cc- Vespa PK50 XL2/FL - Sport setup

Description


With this tuning kit we offer you a package that is tuned from its basic concept, with which you can do nothing wrong with the right installation and setting. Ideal for people who are getting into the subject of tuning. Who then licked blood, already possesses a super basis for further development steps! With this well tuned kit you can breathe more life and sovereignty into your original rather sluggish motorized Vespa, and thus participate more actively in traffic. The Polini cylinder in classic cast iron technology is solid and robust. The design of its timing is more torque orientated, so that you have a lot of power from underneath, which takes the horror out of recovering and driving with two people. But this also means that it needs a longer gear ratio and the engine has to be opened. Normally this is a sensible undertaking anyway, as many engines have been treated rather neglected and some of them have more than 20000km on the speedometer without the engine ever being revised. If the engine is already open, the performance increasing racing crankshaft from BGM is used directly over the whole speed range. The larger Dell'Orto carburettor with 20mm not only provides more power, but also a better internal cooling, which helps the thermal stability. Simply start with the biggest HD and slowly jet down until the scooter runs perfectly and the spark plug pattern is right. The ignition should be flashed and checked at 17°v.o.t..

With a clean installation and good adjustment, 5-6kw are at the rear wheel, at moderate 6500rpm.
This power is easily enough to drive over 80km/h.
With a different exhaust the engine power as well as the characteristics can be changed significantly.
Our insider tip is the ETS banana with manifold for the 50ccm engines. It fits without modifications also on the PK models (spare wheel omitted), is very inconspicuous and still has the typical Vespa sound. A more sporty alternative is the Polini banana. This extends the speed range again clearly upwards without weakening in the lower speed range. The only drop of bitterness is its clearly stronger sound compared to the ETS banana.

Optically and acoustically the whole conversion is very discreet and hardly recognizable.

The basic engine should be in a healthy condition and not have a too high mileage. Otherwise it is recommended to overhaul the fuselage engine before tuning. Parts, shaft seals, bearings, engine seals etc. can be found in our online shop.

Further tuning stages are possible with resonance exhaust systems and an enlargement of the rotary vane inlet area in the engine housing.
A new tuning of the engine is then of course mandatory.

Scope of delivery:

  • Tuning cylinder Polini 102ccm
  • Crankshaft Racing Mazzucchelli short stroke 43mm
  • Primary reduction 24/72 (3.00)
  • clutch basket suitable for new primary
  • carburettor kit Dellorto SHB 20mm
  • main jets Dellorto 5mm - 88, 90, 92

AI-translation

 
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€589.00 *

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With this tuning kit we offer you a package that is tuned from its basic concept, with which you...Continue reading
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