How do I fix this especially the one from the mixture screw?
Nothing is leaking from carb.Its just fuel varnish which builds up slowly at that area,Dont worry
Na kro yar I wash my bike every week and clean these places perfectly. This comes back after one or two drives.
Time to visit a mechanic
I've already done that. All of them said o nai g ye same ha leak sheak nai ha be gham ho jae.