need some help please, carb questions!!

[izhakiori]

hello sorta new to 4 strokes played around with 2 strokes for a little bit just bought a 94 katana 600.
was cleaning out the carbs and realized its missing a small needle of some sort in the float assembly will include pics. i tried looking for this piece but have not seen a single one so far online anyone know where i can get it??
what is that needle for?
since i couldnt find anything i just threw it back together to c if it will run and will look for the part in the mean time.
bike started right up, would idle a little high then die out unless i rev it. could it be because of that part or is it something else that needs to be adjusted?
any help and feedback would be great
thank you

[92xjunker]

Float needle buy four of them. www.bikebandit.com

[izhakiori]

https://ibb.co/eLYrAQ

https://ibb.co/dM82H5

bought a seal and needle kit for all 4 of them but one was missing some other piece first pic shows the one with second shows the one that was missing

[92xjunker]

Are you referencing the brass sleeve in the float assembly? Not sure you can buy that without buying the entire float assembly. It's a metering device for I don't know what, it does feed into the fuel circuit.

[izhakiori]

ya i guess so!
anywhere besides bikebandit for $75 i can find one havent seen any on ebay?

[92xjunker]

https://www.ronayer.com