Amazon.com: Mixture Screw Set for Keihin FCR FCR-MX Carburetor(red) for fcr mx 39 fcr vite carburatore crf fcr 32 vite keihin carburetor air flow needle pilot screw fcr mx vm22 adjuster pz19
Keihin FCR-MX 39 Carburetor / with Choke, Air Cut Valve, Hot Start, TPS (sku 016-927)