Re: Which 2 cycle oil to use?
You can definitely use the XD-30 or XD-50, but it will cost you $$$.
Are you using the actual "Mercury" brand oil or the Quicksilver stuff in the silver bottle?
XD-30 is standard TCW-3, XD-50 is a semi-synthetic TCW-3, I'm sure both are good oils, but I wouldn't pay for it.
If I was going to use a semi-synthetic, I'd be using the Penzoil semi, around $12 a bottle.
But I have always stuck with standard TCW-3, either the West Marine brand, or Lubrimatic or the Super Tech at Wal-Mart when I used to be able to get it. Super Tech is $6 a gallon and great stuff.
I have seen that Star Brite has come out with TCW-3 and it's supposed to be pretty good, of course the only literature I've seen on it is theirs. They did a comparison with Lubrimatic and West Marine brand, but I don't usually buy into those things. I've heard from other people that it burns a little cleaner though. I usually de-carb every 20 hours or so, so I'm not as concerned with the "cleanliness" of it.
If anyone could ever show me proof of less wear on an engine with synthetic over regular TCW-3, then I might consider using it, but the gas mileage BS or the clean burning arguments don't impress me enough to spend the money.
I will spend the money if it's definitely better for the engine wear, but for no smell or smoke, I don't care, I actually love the smell of 2 stroke.
If youwant to lose your mind on oils and lubrication issues, check out this site:
Bobistheoilguy.com, go into the forums and prepare to be blown away with how much attention these guys pay to lubrication.