Fuel tap -101 OCTANE- manual - for Zündapp

Manual fuel cock M12x1,0 for Zündapp mopeds.
Often a malfunction of this component leads to starting difficulties and engine misfires while riding.
The filters of the fuel cock are broken or the flow is already clogged and the fuel cock does not release the fuel or only to an insufficient extent.
The only remedy is a complete replacement.