Revised 250 GY...DOHC 4-valve engine in these.
http://i784.photobucket.com/albums/y...offroadnew.jpg
Lifan did a real impressive job on this model, they captured the DOHC 4-valve 250cc or at least are flaunting an intention to do so.
http://i784.photobucket.com/albums/y...6f7ff07acf.jpg