Here's one writeup on Grom clones:
https://www.simplymotorcycle.com/honda-grom-clone/
Also consider the Lifan, with 150cc:
https://www.americanlifan.com/191.html
Lifan is a well-respected brand in the Chinabike world.
Do a Youtube search on "honda grom clone 125cc" and you will find a lot. Here's a good one: