Genuine Dellorto carburettor. Originally fitted to Vespa PX125 with oil feed, but can be used on non-autolube engines and re-jetted to suit any engine.
 
Standard jetting
6823.1 Slide
BE3 Atomiser
100 Main jet
9892.1 (48-160) Idle jet
160 Air corrector
60 Choke jet

NOTE: All new Si carburettors are manufactured under licence by Spaco in India. These carburettors have been and are used in the series production by Piaggio for a long time. They are of the same quality as the original Dell'Orto carburettors. They also pass the quality assurance at Dell'Orto, come directly from Dell'Orto (Eurocarb) and are delivered in Dell'Orto packaging.