cylinder kit Polini aluminum racing Evolution 130cc 57mm for Vespa 125 ETS, PK, Primavera 2T, Primavera ET3 2T, XL 140.0211

130cc Evolution Racing cylinder kit from Polini. Sharp timing and single-piece manufacture ensure the cylinder head gives high compression and maximum performance. Suitable for 125cc Vespa ETS, PK, Primavera 2T, 2T Primavera ET3 and XL maxi-scooters. It is supplied as a complete kit including cylinder head and necessary mounting hardware. A larger carburettorand a racing exhaust system is recommended. Displacement: 130cc. Bore: 57mm. Material: Aluminium with hard-chromed lining. Diameter of gudgeon pin: 15mm. Stroke: 51 mm compression ratio: 12,9:1