Last time I checked, YAMAHA motor company didn't have any OIL REFINERIES on their list of owned properties!!! I had a friend named Tom (may he rest in peace) that used to give me bottles that were leaking and damaged of CITGO 2 stroke oil,,(he worked at the citgo plant), Some bottles were Yamalube, some were Texaco Havoline, and some were other brands..We talked about it and he told me of DOZENS of brand names coming from the EXACT SAME tank of oil!!!! in AMERICA, there are 2 companies that produce ETHYLENE GLYCOL (anti freeze).. Go to AUTO ZONE or your LOCAL auto parts store and see just how many different brands of ANTI freeze they are selling!!! I know one of the companies is named DOW CHEMICAL and the other is ASHLAND oil,, One of those companies anti freeze refineries BLEW up last year and production was ceased for some time.. i do not know if production has resumed,,,but,,,that left 1 company in the anti freeze market!!!! IS THAT A SECRET TOO??????