They do make bmx bikes with larger frames for adult riders. honestly id look at those if you like this style, it would be much safer.Ya of course, I usually take this just in neighborhood roads, I don't really wanna take this off-road, until I figure out a way to make the frame stronger, I'm not gonna abuse it. No wonder you don't see people puting engines on bmx bikes, but I really wanted to try it.
I'll update you guys, if/when it breaks