Need spects for carburetor main jet on mikuni ucal and spects for pilot air jet 1 and pilot jet 2

The jetting has to be "checked" by reading the spark plug once you have the engine running just ok..
If you do not know how to read a spark plug..find a QUALIFIED Professional to help you.. a four stroke, (4-stroke), is easier to jet than a two stroke....
There is NO WAY for anyone to know if the current jetting is correct.

Why did you need to clean the carb? Routine servicing of the aircleaner would keep the carb clean for life. The pilot screw should be 1.5 turns out approx. with a small adjustment either way. Idle speed is set to a smooth low idle.If this doesn't fix it have you got something in the carb not replaced correctly? The float needle/float assy? How did you clean it? Have you introduced fluff/dirt into the carb and did you blow it clean with an airline?

Check the attached links,
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Yamaha XT125 Carb Tips Mikuni 3D6

Mikuni Carb Series 3 assembly video with details

Mikuni ucal carburetor pipes diagrams DT 125 Yamaha Google Search

mikuni carb diagram Google Search

1 1/4 turn out from fully in

main jet 145
jet needle 4h11-3
needle y-2
pilot 17.5
float hight 26.6mm
pilot air screw 2and a quarter turnsout
main air jet 1.0mm
pilot jet 1.6mm

will need to fit larger pilot and main jet
size will depend where you are as colder climate will need to be richer than warm climate, normally 1 size up from std on pilot and 2 on main