8-piece Bing carburetor 85/12/104 A and 85/13/101 repair and gasket set suitable for Hercules Prima M with Sachs 504 and 505 engine. Contains float needle, jet needle, jet needle retaining spring, idle spring, throttle slide spring, float chamber gasket, carburetor cover gasket, and hose nozzle gasket. Parts such as the jet needle, float needle, and springs are subject to high wear and should be replaced regularly to optimize smooth running, consumption, and performance. A cost-effective alternative to a new carburetor.







