Tuning carburetor with 15mm passage. Suitable for Puch Maxi, X30 and Zündapp mopeds that are factory-fitted with a Bing SRE carburetor.
Carburetor main jet Bing with 4mm. main jet 75 (4mm)
Connection width of the intake manifold: 20mm
Connection width air filter: 20mm
Carburetor main jet Bing with 4mm.