Other then the synthetics, and semi synthetics etc..I would`nt doubt if their all the same oil, with differant color additives..LOL
If you ask a polaris guy whats the best oil..most likely he`ll say the polaris brand , ask an arctic cat guy, and guess what he`ll say, etc...lol
I just know that golden spectro has been making two cycle oil since before 1967, and it meets, or exceeds all "OEM baseline oils"....
good enough for me..
I got a friend of mine, that literaly runs just about anything he can get his hands on, the cheapest crap you can imagine, found at a local gas station, or auto parts store..he has never had a problem that I know of..
that`s not to say I`d run the stuff though..LOL