SI 20-20 carburettor

SI 20/20 carburettor. Specific for Vespa 2 ports with Pinasco 177 thermal group without mixer adaptable to all Large Frame models. Applications: Vespa TS 125, Vespa PX 125, Vespa PX 125 euro 1, Vespa PX 125 euro 2, Vespa PX 125 euro 3, Vespa PX 150, Vespa PX 150 euro 1, Vespa PX 150 euro 2, Vespa PX 150 euro 3, Vespa PX 80, Vespa RALLY 180, Star 125 2T, Star 150 2T.