Just curious what you know about Sunoco M02X? Then what is your thoughts aboutit.... Its going to be used in a 09 YZ 250 that has been ported polished, head milled, squish set. I have come across a deal with the local Sunoco dealer, its a deal that I almost can't refuse. I have always ran C12 in my 2 strokes and U4 and U4.2 in my 4 strokes. Any opinion is greatly appreciated alot.