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 47mm Vespa PX / XL, cast iron racing cylinder with 47mm bore by Polini.
This 47mm diameter cylinder will raise displacement to a total of 75cc 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, a divided boost port 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 8,100rpm.
And, made by Polini, everything is manufactured according to very high quality standards.
- cylinder, cylinder head, piston, gaskets
- cast iron cylinder, aluminium head
- 75cc displacement
- long thread spark plug
- Additional Information
Name Polini Cylinder Kit Racing d=47 Vespa 50cc PK / XL Item No. P140.0053/R Brand Polini Homologation No Homologation No Displacement 75cc Stroke Original Conrod Length Standard Product Line Sport Material Cast Iron Engine Type 2-stroke Cooling Type AC Bore 47 mm Piston Pin Original Number of Piston Rings 2 Cylinder Head Included
- Fits to (24)
Your product goes with the following manufacturers and their models:
APE 50cc (TL1)
50cc N 1963 - 1971 (V5A1T), 50cc PK 1982 - 1984 (V5X1T), 50cc R 1969 - 1983 (V5A1T), 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 (VA51T), PK 50cc S Elestart 1983 - 1984 (V5X2T), PK 50cc XL 1985 (V5X3T), PK 50cc XL Elestart 1985 (V5X3T), PK PKS PKXL 50 PK N 1989 (V5X5T), PK PKS PKXL 50 PK XL Rush 1988 (V5X4T), 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)