This thing isn't a Mikuni, but it's a really good clone. I was able to get it to work in a CD175 by increasing the jet size and adding a cone filter. Also, I had to completely remove the adjuster at the top to avoid replacing the throttle cable.
https://www.amazon.com/gp/product/B07KLG3TD9/ref=ppx_yo_dt_b_asin_title_o09_s00?ie=UTF8&psc=1
https://www.amazon.com/gp/product/B07KLG3TD9/ref=ppx_yo_dt_b_asin_title_o09_s00?ie=UTF8&psc=1
![IMG_0626[1].jpg](/d2/attachments/284/284544-3c670c2cec8559420cd2d4ddc89eb429.jpg)
![IMG_0539[1].jpg](/d2/attachments/284/284546-1bb2b6d40bb598d0a5ba33fca0239206.jpg)