Hello guys.
Just found this Lifan 600 cc Nuke model on this obscure website. (a chinese forum?) Looks like a prototype with a Suzuki engine. But the design is ok, It looks like a Jap.
http://74.125.77.132/translate_c?hl=...Vr45_PyT3Ko2Cw

A lot of text is lost in translation though. There are two pages with photos.