I just picked up a super clean '02 KX 250, and was wondering which 2 stroke oil to use for the premix. I have read around and it seems that there are a good many to choose from. PJ1, Bel-ray, Golden Spectro, Klotz, etc. Which one and which grade seems to be the favorable one? There are several grades in some of these brands, and I do not know which one to choods. I would like to get a good oil that is reasonably priced and easy to find.