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I have a rebuilt 1995 Yamaha 2 Stroke outbaord....Any thoughts on using synthetic tc-w3 oil...or is just any good quality non synthetic ok..

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Ryanfro, I use Yamalube in my 2-stroke Yami. I buy it in bulk from my local Yamaha dealer. IMO, I wouldn't run anything but Yamalube in a Yamaha.

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You can't go wrong sticking to that advice. But I have to say that the synthetic Etec oil burns so clean there's no carbon build up. Does Yamaha make a synthetic?

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I don't own a "Yammi" but, I'd go with "OEM" on this one, and make sure that you add Yammi's "Ring Free" to your fuel (Yammi dealer's Heavily recommend it).

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Not sure on the Yamaha, ,but on the ETECs they have to be programed for Synthetic Oil if that is what is used. I would check with the dealer to see if you have to make any changes or adjustments before switching to Synthetic

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Tom, The Etec's come from the factory set to the standard TCW3 setting and you can run most any outboard oil on that, though they do suggest using their XD-50 oil, which again makes a lot of sense. If you go up to the leaner XD-100 setting, you can only use the XD-100 synthetic oil. But on the standard setting any oil can be used.

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That makes sense.............I kinow my dealer ask me if I wanted to run the synthetic and then said that I needed to stay with the synthetic once it was programed for it.

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I ran Castor Bean Oil in my jet ski (race ski) the other I ran Torco two cycle oil in the other one. This is why I used Castor Bean Oil,, If you put Castor Bean oil on your thumb and for finger on one hand and regular two cycle oil on the other, the test I did was to wash my hands in salt water with a little sand. After it came off the Castor Bean Oil side was still slick it did not wash off The properties I believe to be better that's why I ran it in the race ski. It cost more, and had a sweet smell (like gas model air planes) was it worth the cost? I thought so at the time. But the synthetics they have now well, I think if I had a Harley Davidson or expensive car I would use a synthetic.
Once you have Castor Bean Oil in the system you can't use regular two stroke oil they do not mix.
With that said if you don't have a high performance engine. I would recommend a good quality "Marine two cycle oil" there is a difference marine oils have water inhibiters, a manufactures oil is just as good as any marine oil or vice versa. I would try to buy in bulk and save a little money. Now is your engine is just rebuilt I would run it on the heavy side (OIL) for the first 6 gallons. I think that's all I have to say about synthetic oils...

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thanks for all the great feed back.....i'm sticking with the yami OEM yamilube 2 stroke oil....

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And be sure to follow Matt's suggestion about the Ring Free addative, it's key in keeping the carbon deposits from forming in your newly rebuilt cylinders.

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I believe that Mercury/Quicksilver oils are compatable with Yams. I used to run Quicksilver Premium Plus in my 1989 150 Yamaha and never had any oil related problems.

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I don't run a yammi but can say that in pinch I have run generic YC-3 oils in my rude and she does not like it one bit.

Went back to factory XD50 and the smoke and stumbling and overall bad attitude went away.

With repair costs so high, I'll stay factory oil for me.

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The XD-50 is a synthetic blend oil, which is why it burns so clean, and also TCW3 compatible so it can be used in any engine which allows that grade to be used.

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I bought a 2000 Saltwater Series Yamaha OX 225 last summer after my 1986 200 mariner died . Is it a bad idea to use the 6 gals of Quiksilver premieum 2 (red label)stroke oil in my yamaha ? Up to now I have used only Yahmalube ? Should I just give away the Quicksilver ??? Thanks guys !!! Time to take off the shrinkwrap !!!

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Rbritdu,

I'm on the Cape and just picked up an 85 Montauk with a older 90 Merc. If you're going to give away that oil I 'll take it off your hands!