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In order to improve the quality and performance of original spare parts, the new Polini For Race Crankshafts are in production specific for the very famous Vespa 125 Primavera ET3, PK, XL, ETS.
As with racing engines, the connecting rod is machined from solid in order to improve its resistance to stress. The intake timing is modified to improve engine performance and the new shoulder design has been optimized to reduce vibration.
Safe and reliable, assembly is recommended with both original and upgraded engines.
Polini crankshaft for Vespa 125 Primavera ET3, PK, XL, ETS
Polini crankshaft for: Vespa 125 2T PK, Vespa 125 2T Primavera, Vespa 125 2T XL, Vespa 125 2T Primavera ET3, Vespa 125 2T ETS