Pinasco SRV 102cc aluminium reed cylinder for Vespa 50 Special - R - L for Ø22-24-25 carburettors

The Pinasco 102cc SRV "Zuerino" Ø 55mm thermal unit is a new product dedicated to the world of Vespa 50 and Ape 50 with 43mm stroke. Based on the famous Zuera 135cc, the 102cc SRV "Zuerino" has a very similar displacement to its big brother, uses the same RD350-type reed valve and the same flow guide, and is fitted with a single-ring piston with a bi-conical pin, and the new central spark plug head with 8 studs and centring bushings, which definitively eliminates the problem of leaks and consequent performance drops, with a compression ratio of 12.3:1. The Pinasco 102cc SRV is a powerful engine designed to make the most of low-end power. Its exhaust port has been designed to work correctly with original exhausts and moulded silencers commonly known as 'bananas', but it can also be used in more extreme set-ups.

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