I just got my 2001 CR125 back from the shop yesterday. I had it for one day, apparently the piston seized, but they covered it for free meaning something fishy had to have been up. Well anyway here is the deal. It seems to me like the new oil they're running in the mix isn't smokeless like the Maxima stuff I bought. It's constantly puttering out the blue smoke typical of burning oil. I don't think anything's wrong and I just want you guys to verify to me that they're are smokeless oils like the stuff I have, and regular oils that still smoke.