Fuel additives for a new motor

[tally]

Now that I'm a proud owner of a new 150hp Yamaha four stroke w/jet pump. I have read a lot of information and not sure what is really necessary.
What fuel additives to you run regularly.
Seafoam?
Sta-bil? (marine @ twice the price)
Ring Free Fuel Additive?
They told me to run regular gas with no octane booster.

[Okie]

[quote=tally;1968257]Now that I'm a proud owner of a new 150hp Yamaha four stroke w/jet pump. I have read a lot of information and not sure what is really necessary.
What fuel additives to you run regularly.
Seafoam?
Sta-bil? (marine @ twice the price)
Ring Free Fuel Additive?
They told me to run regular gas with no octane booster.[/quote

I would do exactly what they told you to do. "Run regular gas with no octane booster." I believe it is a good engine.

Good Luck;

[OB1]

With the 10% enthonal I belive you should use staybil every other tank.
I used regular staybil over the winter and I just had my 150 hp Honda serviced and on the service ticket it said to use fuel stabilizer because of enthonal.

[fishkisser]

I use Stabil every time I fill up per Engine manufacturers recommendation ...
No problems in 4 years using this product ...

[Okie]

Stabil is not required and is superfluous, and is just adding to your fuel expense when it is superfluous.

Good Luck

[MattPark]

Originally Posted by Okie

Stabil is not required and is superfluous, and is just adding to your fuel expense when it is superfluous.

Good Luck

A+ would read again

95% of fuel additives simply make the owner feel good. If it's worth it to you, go for it! Otherwise, feed it what the manufacturer recommends.

[lucky2]

I am not sure which manufacturer says to use additives?!?
I have Honda outboards and the manual never mentions anything but regular automotive gasoline with a minumum octane of 86.

[fishkisser]

Originally Posted by lucky2

I am not sure which manufacturer says to use additives?!?

Marine Power ...

[infinity]

I have had the same concerns and have talked to several 4-stroke mechanics. The advise that I have received is to use sta-bil at the recommended levels with every new gallon and to use a water separator in the fuel line.

[lucky2]

Originally Posted by fishkisser

Marine Power ...

Who are they? I have never heard of them

[weekender]

Yahama recommends that you use Ring Free. It's expensive compared to other additives, but you mix it very stingilly at an ounce per 10 gallons. It sticker price, it adds about 18 cents a gallon to your fuel cost. Even if you run 10 gallons a day through your motor, that's 1.80 a day.

[BARCHASER]

I have about 300 hours on my Yam 4strk and I've been using the ring free additive. Several different mechanics have told me to use it. Runs good so far.

[tally]

I have a four stroke.
On Steelheader.net "will fish for food" posted this;

Ring free is for two stroke motors. As a 2 st has fixed rings and tend to carbon up and a 4 st rings are floating in there groove and have less carbon build up.

If this is true I will not be running this in my moter. FYI, ringfree is cheaper off ebay, $13 a bottle.
Do think I will be using Sta-bil toward the end of Fall as fishing trips get further and further inbetween.

[fishkisser]

Originally Posted by lucky2

Who are they? I have never heard of them

http://www.perfprotech.com/store/art...ine-power.aspx

http://www.marinepowerusa.com/jetpum...__jet_pump.htm

[BARCHASER]

I dunno, North River pushed the Ring Free pretty hard when I bought the boat. The back of the bottle sez cleans carbon from lands, combustion chamber, intake/exhaust valves, fuel injector etc. etc. IN 2 AND 4 STROKE MOTORS.

It doesnt cost much since you only use one oz in ten gallons, so I'll keep using it. If it is a rip off it is a small one compared to the rip off you get when you buy gas.

[lucky2]

Originally Posted by tally

I have a four stroke.
On Steelheader.net "will fish for food" posted this;

Ring free is for two stroke motors. As a 2 st has fixed rings and tend to carbon up and a 4 st rings are floating in there groove and have less carbon build up.

If this is true I will not be running this in my moter. FYI, ringfree is cheaper off ebay, $13 a bottle.
Do think I will be using Sta-bil toward the end of Fall as fishing trips get further and further inbetween.

All the 2 strokes I have seen have compression rings that are similar to 4 stroke engines. They just don't have oil rings. They are all designed to have clearance in the ring grooves to allow for heating and cooling (expansion and contraction). If they can't move freely, they won't work properly.

[Smj]

2-stroke ring are "Pinned" so the don't rotate around the piston, if they did the ring ends would snag on the ports and break and make a mess of the engine. 4-strokes do not burn oil in the combustion chamber, at least a healthy 4-stroke doesn't, so there is much less need for a decarboizing chemical to be added to the fuel. Maybe after a few years I would do a real good dooshing of Sea Foam, to take care of what ever does build up on valve stems, heads, piston tops etc. I wouldn't run the stuff in a brand new motor, they've got these engines running pretty clean compared to 20-30 years ago.
Now, maybe if you were using your 4-stroke for trolling all the time?

Smj

[foxer]

There was a post from Gent Bent a long time ago that said Ring Free was the same thing as Techron.

[ICHTHYDEMON]

Originally Posted by foxer

There was a post from Gent Bent a long time ago that said Ring Free was the same thing as Techron.

They both might work the same,but I'd have to disagree with it being the same product.

Techron pours like water and Ring Free pours like maple syrup.