Carburetor "Mikuni" 12 mm Yamaha FS1 Std. Manual choke

Nozzle 135 (Mikuni flow, approx. 100 in Bing size) Corresponds to original number: 3F0-14101-00 Carburetors, whether original or replica, need to be cleaned before assembly. Take the opportunity to get to know your new carburetor by taking it apart and making sure there are no metal shavings left over from the manufacturing process.