1978 Yamaha Carb xs400 id

[melted78]

What kind of carb do i have on my bike 78 xs400, also what is the part number on the rebuild kit.when i fliped the carbs upside down and moved it i did not hear the floats moving, im pretty sure there seized.

 

[xschris]

Take them apart first to see if anything is broken. Post pics so we can see what you have. These bikes came with two versions of a mikuni BS34 carburetor.