I am jetting my ds myself, and i need to know where i can locate my mixture screw and my main jet. I see a few different screws on the left side of the carb but do not know which is which.

 

The main jet is accessable only after you remove the float bowl. Its the big jet in the middle with a brass bell around it. The mixture screw in between the float bowl and the intake boot (engine side), it points straight down and is somewhat recessed in its cavity.