Yamaha XS400D Keyster carb kit
Mikuni BS34 carbs. MJ#142.5, PJ#42.5, jet needle 5Z1 [Y264], needle valve and seat [2.0], float bowl gasket, pilot mixture screw etc
Mikuni BS34 carbs. MJ#142.5, PJ#42.5, jet needle 5Z1 [Y264], needle valve and seat [2.0], float bowl gasket, pilot mixture screw etc