Developed by VMC in collaboration with Gilardoni, the RVA 110 cylinder kit offers almost 110cc for Vespa 50 and PK 50 smallframe engines. It combines a 57mm bore with the original 43mm stroke and direct reed induction. VMC’s new RVA110 combines a 57mm bore with the original 43mm smallframe stroke, with direct reed induction. Developed…
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