Carb tuning, larger accelerator pump nozzle?

Here is this article. It’s a good one. I’m going to have to look for the other one. Thought I had it saved. Maybe @Mattax will see this and post a link to the paper.

https://www.jstage.jst.go.jp/article/jsme1958/11/46/11_46_691/_pdf/-char/en