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Polini Cylinder Kit d=50 Vespa 50cc PK / XL / APE
Polini Cylinder Kit d=50 Vespa 50cc PK / XL / APE
Polini Item no.: P140.0059

Polini Cylinder Kit d=50 Vespa 50cc PK / XL / APE

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Homologation: Yes

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Name Polini Cylinder Kit d=50 Vespa 50cc PK / XL / APE
Item No. P140.0059
Brand Polini
Homologation Yes
Displacement 84cc
Stroke Original
Conrod Length Standard
Product Line Sport
Material Cast Iron
Engine Type 2-stroke
Cooling Type AC
Bore 50 mm
Piston Pin Original
Number of Piston Rings 2
Cylinder Head Included

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 cast iron 50mm Vespa PK / XL / APE 50cc, cast iron cylinder with 50mm bore by Polini.

This 50mm diameter cylinder will raise displacement to a total of 84cc while allowing to retain the original crankshaft, and increased displacement leads to higher top speed. Port timings are designed for racing, with an impressive boost in torque throughout the entire rpm range.

The cylinder has 6 transfer ports and boost ports. The piston is a 2-ring piston with low-friction coating.

This extremely reliable cylinder will boost torque and overall performance and is suitable for original or close to original engine set-ups. And, made by Polini, everything is manufactured according to very high quality standards. Optimum RPM range is approximately 7,700rpm with a performance of 8,5hp.

Always make sure that other engine components like crankshaft, bearings and manifolds are in top shape, otherwise performance, even with a powerful cylinder, might suffer.

  • cylinder, cylinder head, piston, gaskets
  • cast iron cylinder, high-compression aluminium head
  • 84cc displacement - 50mm bore
  • long thread spark plug
Suitable for (24)

Your product goes with the following manufacturers and their models:

APE 50cc (TL1)

Vespa Classic
50cc N 1963 - 1971 (V5A1T), 50cc N 1989 (V5X5T), 50cc PK 1982 - 1984 (V5X1T), 50cc R 1969 - 1983 (V5A1T), 50cc Rush 1988 (V5X4T), 50cc S 1963 - 1984 (V5SA1T), 50cc Special 1969 - 1972 (V5A2T), 50cc Special 1973 - 1975 (V5B1T), 50cc Special 1975 - 1983 (V5B3T), 50cc Sprinter 1971 - 1979 (V5SS2T), 50cc Super Sprint 1965 - 1971 (V5SS1T), PK 50cc S 1982 - 1984 (V5X2T), PK 50cc S Automatic 1984 (V5A1T), PK 50cc S Elestart 1983 - 1984 (V5X2T), PK 50cc XL 1985 (V5X3T), PK 50cc XL Elestart 1985 (V5X3T), PK PKS PKXL 50cc SS (V5S1T), PK PKS PKXL 50cc XL2 (V5N1T), PK PKS PKXL 50cc XL2 HP (V5N2T), V50 V90 PV ET8 50cc Special Elestart (V5A3T), V50 V90 PV ET10 50cc Special Elestart (V5B2T), V50 V90 PV ET12 50cc Special Elestart (V5B4T), V50 V90 PV ET14 50cc SR 1975 (V5SS2T)