i was looking around for a non grubee 2 stroke kit just to see what i could see, and i found a quite interesting kit, it claims to be 70cc and has both and electric and pull start. although i have no idea what the situation with replacement parts is. im sure it sucks. but here!
https://www.alibaba.com/product-det...60459264681.html?spm=a2700.7724838.0.0.sV06bR
https://www.alibaba.com/product-det...60459264681.html?spm=a2700.7724838.0.0.sV06bR