Hello dallas.
from memory there is a really good rebuild topic of this engine here somewhere. i have 3 of them and remember using it to help me out.i will try to find a link 4 ya.
these are a terrific little engine and i did get some new carbie parts from the sites shop.
the governor setup is easy enough too.
found it here.
https://www.outdoorking-forum.com.au/forum/ubbthreads.php?ubb=showflat&Number=37746&page=1