Replacement carburetor with 12mm passage. Suitable for Puch Maxi, X30 and Zündapp mopeds that are factory-fitted with a Bing SRE carburetor.
Carburetor main jet with 4mm thread.
Main jet 55 (Bing M4)
Connection width of the intake manifold: 20mm
Connection width air filter: 20mm
Carburetor main jet with 4mm thread.
