Found on a Chinese bbs ...

http://www.motorfans.com.cn/bbs/t_626201.htm

and here is the link to the original youku video ...

http://v.youku.com/v_show/id_XMjA0OTUxMDA4.html

I think it is great that people have some keen initiative to build stuff in their backyard. The rider seems to have some pretty decent skills, although I must say that pillion rider is certainly courageous (aka "damn stupid").

Anyone have any idea what brand of 150 that is?