Originally Posted by SOLOARTIST 702
how about mugen x12
I still have one....good engine, but old engine, probably hard to find too many places still sell that, and it is discontinued from Mugen (replaced with the new NINJA series). If X12 is what is in your mine....you should think about the new models from Novarossi or RB , Mega, Sirio or even OS Speed version....those are definitely better if not faster then X12.....