Screw for Bing cold start lever carburetor type 21 for Zündapp KS 50 WC, Zündapp, 530-050, Hercules Ultra 80, Kreidler Mustang E

Choke lever retaining screw for Bing carburetor type 21, suitable for vehicle types 21/20/102 Zündapp KS 50 WC, 21/20/104 Zündapp, 21/20/105A Zündapp type 530-050 with engine type 314-010, 21/20/107 Hercules Ultra 80, 21/20/111 Kreidler Mustang Enduro 80, 21/20/113 Hercules Ultra 80, 21/20/114 Hercules Ultra 80, 21/20/115 Zündapp KS 80, 21/20/115A Zündapp K 80, 21/20/116 Zündapp 80, 21/20/117 Zündapp K 80, 21/20/117A Zündapp KS 80, 21/20/120 Hercules 80, 21/20/121 Zündapp KS 100, 21/20/122 Zündapp, 21/20/125 Zündapp type 540, 21/20/126 Casal K 80, 21/22/101 Suzuki SP 370, 21/22/105 Suzuki GN 400, 21/22/106 KTM Enduro 125, 21/22/107 Hercules GS 50 with Sachs 50/6 SWD. Original Bing spare part with the No. 40-524.