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Polini Cylinder Kit 50cc (d=38,4mm) Vespa V50 1st Series

Polini Item no.: P140.0091

Polini Cylinder Kit 50cc (d=38,4mm) Vespa V50 1st Series



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Data Sheet
Suitable for (1)


Polini is one of the big names in 50cc scooter tuning, and is also one of the leading manufacturers of tuning parts for Vespa, modern and vintage. Cylinders, intake manifolds, exhausts, air filters, carburetors, crankshafts and more - everything you need to boost the performance of your Classic Vespa.

Polini Cylinder Kit 50cc (d=38,4mm) Vespa V50 1st Series, cast iron sports cylinder with 38.4mm bore by Polini.

This 38.4mm cylinder is the perfect entry level tuning cylinder. Displacement will stay the same, and the original crankshaft can be retained. Acceleration and torque are improved, and top speed is raised.

The cylinder has 5 transfer ports and a 2-ring piston with low-friction coating. Cooling properties are excellent, so this cylinder allows for intense use. Optimum RPM range is approximately 7,800rpm.

And, made by Polini, everything is manufactured according to very high quality standards.

  • cylinder, cylinder head, piston, gaskets
  • cast iron cylinder + high-compression aluminium head
  • 50cc displacement
  • long thread spark plug

Data Sheet

Name Polini Cylinder Kit 50cc (d=38,4mm) Vespa V50 1st Series
Item No. P140.0091
Brand Polini
Homologation No
Homologation Yes
Displacement 50cc
Stroke Original
Conrod Length Standard
Product Line Sport
Material Cast Iron
Piston Pin Original

Your product goes with the following manufacturers and their models:

Vespa V50 V90 PV ET3

50 N 1963 - 1971 (V5A1T)

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