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Author Topic:   Yamaha Ring Free
Whaler4me posted 06-24-2004 10:00 AM ET (US)   Profile for Whaler4me   Send Email to Whaler4me  
I just heard about Yamaha Ring Free product yesterday. I am currently running a 1987 150-HP two-stroke. The motor has about 500 hours on it, it runs well and strong.

Should I be using this fuel additive?. Anyone using it please give me advice.

Thanks in advance.

mustang7nh posted 06-24-2004 11:39 AM ET (US)     Profile for mustang7nh  Send Email to mustang7nh     
All of the major brands have fuel additive products that are supposed to reduce carbon buildup. My understanding is that carbon becomes abrasive in the cylinder and can scratch the walls causing eventual damage requiring a rebuild.

I use it. Sometimes I dont have any with me when I fill up so I'm not religious about it, but I try to regularly make it part of my routine.

I would also recommend highly that you use 'engine tune' or some other decarboner that you spray into the carb throats as it runs. Then let it sit overnight and run it out the next day. There are other threads about this process. I do this once a season before I put it away for the year. I'll probably try to do it once mid season also this year.

Some reports say that some TCW3 has the decarbon products in them. I do not know if this is reliable info or not.

Royce posted 06-24-2004 01:04 PM ET (US)     Profile for Royce  Send Email to Royce     
I use [Yamaha Ring Free] in all of my engines--both Yamaha and Mercury. Every Yamaha dealer that I have talked to highly recomends it. Mercury makes a similar product.
jimh posted 06-24-2004 09:49 PM ET (US)     Profile for jimh  Send Email to jimh     
This is probably similar to:

• OMC Fuel System Conditioner, and
• Mercury QuicKleen™

AQUANUT posted 06-26-2004 11:37 PM ET (US)     Profile for AQUANUT  Send Email to AQUANUT     
mercury certified technicians i work with and know favor the Yamaha ring-free...justa an observation.
Peter posted 06-27-2004 08:43 AM ET (US)     Profile for Peter  Send Email to Peter     
OMC equivalent was Carbon Guard or CarbX.
tully_mars posted 06-27-2004 11:03 PM ET (US)     Profile for tully_mars  Send Email to tully_mars     
Use the original product that started all of this save your engine from carbon stuff...Marvel Mystery Oil. It has been around a long time and has a history with just about every mechanic I know. It is also a lot lot less than ring-free, and the back of the bottle reads exactly the same as Ring-free. I would say Yamaha copied Marvel Mystery Oil since it has been around longer.

You can get it at any Autozone.

Capt. Tully Mars

capnhub posted 08-29-2007 01:31 PM ET (US)     Profile for capnhub  Send Email to capnhub     
I have heard nothing but positive remarks from Yamaha mechanics regarding Ring Free and I use it regularly. However I am definately going to compare it to Marvel Mystery Oil for content because the cost of Ring Free is considerable. I am treating a 150-gallon tank. I think after a few years of usage you might be close to paying for an overhaul anyway. The difference would be that you have a like-new rebuilt engine instead of a clean one with high mileage and probably in need of a rebuild anyway!
jimh posted 08-31-2007 12:59 AM ET (US)     Profile for jimh  Send Email to jimh     
How much is Yamaha Ring Free by the gallon?

The reason I ask: you can often buy a higher grade of oil which will reduce carbon deposit formation in the motor and eliminate the need for using fuel additives like Ring Free for only a modest increase in cost per gallon over the plain TCW3 oils. If may be less expensive to feed a motor a steady diet of good oil than to use inferior oil and compensate with expensive treatments of Ring Free.

I may only use five gallons of oil in a season, so paying even $4 more per gallon only costs me $20. This is probably less than I would spend on Ring Free. Even if I pay $10 more per gallon, which is about the difference between a no-brand cheapest oil on the market and an OEM semi-synthetic oil, I only spend $50 more on fuel. Again, to treat all my gasoline with Ring Free may be even more expensive than that.

TRAFFICLAWYER posted 08-31-2007 07:57 PM ET (US)     Profile for TRAFFICLAWYER    
Ring Free is no longer sold by the gallon, the case qt price I pay usually nets it out at about $30.00 to $35.00 per QUART.

The best quality oil you can find which I believe will be either Yamalube or the Merc Premium equivalent will not reduce nor eliminate the need for Ring Free.

jgkmmoore posted 08-31-2007 08:07 PM ET (US)     Profile for jgkmmoore  Send Email to jgkmmoore     
I've used Marvel Mystery Oil before with some success.
It sure looks like Dexron III ATF................
myakka posted 08-31-2007 09:34 PM ET (US)     Profile for myakka  Send Email to myakka     
Ringfree is Chevron Techron.
Henry posted 09-01-2007 01:12 AM ET (US)     Profile for Henry  Send Email to Henry     

How do you know? I am hesitant to mix Marvel Mystery Oil in my gas.

I use Chevron with techron mid grade gas with Mercury Premium PLus oil. I think these are the highest quality gas and oil that can be put in a Mercury motor. If there was something that wasn't as expensive as ring free, that I could add to that mixture to improve the efficiency of the motor or improve its performance, reliability or durability I sure would use it. I am concerned that some of this stuff might do more harm than good to my motor; In other words,should I leave well enough alone.

I am very interested in hearing some info to back up the claims for Marvel Mystery oil and Chevron Techron

myakka posted 09-01-2007 08:45 AM ET (US)     Profile for myakka  Send Email to myakka     
I e-mailed Chevron a few years ago. They first say techron isnt formulated for 2 strokes then they say [Yamaha Ring Free] and quick kleen are rebrands of techron.This is the reply from Chevron
Jean & Mike,
Your inquiry has been forwarded to us here at ChevronTexaco Fuels Technical Service.

Yamaha Ring Fee is similar to Techron and Techron Concentrate. The main deposit control additive is the same. Techron and Techron concentrate are designed for automotive four-stroke engines as a deposit control additive. Yahama Ring Free is formulated specifically for two-stroke engines.

The amount of Techron that is in Chevron gasolines should be beneficial for two cycle engines. All Chevron grades of gasoline contain Techron.

Good, quality, detergent cleansing action will be realized with Chevron gasoline in your engine without any concern.

The use of Techron Concentrate Fuel System Cleaner is not recommended for two-cycle engines.

If you do want to try a product similar to Techron Concentrate Fuel System Cleaner, the following rebrands of Techron Concentrate formulation

for marine two and four cycle engines are specifically approved and recommended by the Marine Original Engine Manufacturers (OEMs):

Yamaha Ring Free

Mercury Quick Clean

Sal DiMercurio posted 09-01-2007 11:14 AM ET (US)     Profile for Sal DiMercurio  Send Email to Sal DiMercurio     
If I'm not mistaken, Mercs carbon remover [ for maintaining, not shock ] is called "Power Tune", & their carbon remover "shock treatment" is called "Quick Clean"..
Bombardiers "Carbon Guard", is for maintaining a carbon free engine,, & their "Engine Tuner" is for shock treatment against carbon.
Yamaha's "Ring Free" can be used as a shock treatment, when mixed heavier with fuel [ more ] , or a maintenance when mixed lighter [ less ] in the fuel mix.
These carbon removers are also very expensive, like over $1.00 $1.50 per oz. [ depending where you buy it, like $17.00 for a pint ], but, vs buying a new engine, because carbon ruined your older engine, there's no looking back, just use it.
Henry posted 09-01-2007 11:18 AM ET (US)     Profile for Henry  Send Email to Henry     

Very good. Thanks. They are saying not to use the Chevron Techron product because it is formulated for 4 stroke engines. They say to use Ring Free or Mercury Quik clean.

gss036 posted 09-01-2007 01:43 PM ET (US)     Profile for gss036  Send Email to gss036     
I usually start out my first summer fill up of about 70 gallons of gas with a quart of Marvel Mystery Oil. I have done this for years and have not seen anything bad happen. I do try to do a decarb annually, but I use a product called SeaFoam/spray version call Deep Creep. I mix a pt SeaFoam w/ 3/4 gal gas and (2-3 oz oil, not necessary if you still have oil injection, but I still do it). Run about 15 minutes and let sit for about an hour and repeat the process until the mixtue is gone. KNOCK ON WOOD, I am still running my 1989 200 hp Merc. I did blow a power head ( rod out through the side of the block, I think was a mfg fault, no nut on a bolt for a rod bearing) at 13 months when new but nothing since. But, as you probably know Merc would even touch that. Just said sorry out of warranty.
Just my 2 cents.
anthonylisske posted 09-04-2007 11:15 AM ET (US)     Profile for anthonylisske  Send Email to anthonylisske     
I know this thread has steered its way to Marvel Mystery oil, but I wanted to post about a very postive (and slightly proven) experince with the [Yamaha Ring Free] addative.

In 2004 both I and my brother bought new Yamaha engines. Mine was a 225 Vmax EFI (2003 leftover) and he bought a 2004 EFI saltwater series.

Every ten tanks of fuel I would drop in the tank a quart [of Ring Free as a] "shock treatment." My brother never added anything. I did it on faith and could not stand the cost.

This spring, we serviced our engines. I had three times the amount of hours on my engine. Part of the service was to replace the O2 sensor. When he took his apart, the Pintal valve was almost clogged solid with carbon. When I went to do mine, it was clean as a whistle.

Maybe this is not a "fact" but it did make me feel better about dropping the cash on the Ring Free.

Now, another thing I noticed is that after I dropped in the Ring Free, I had a propensity to foul a plug or two. Now, I did not put the connection together until I saw the carbon build up. I asked the dealer who said that sometimes if there is a little build up it will come off and foul the plugs. Maybe that is proof it is working? One thing I took from that is that I do not put in RF before I go offshore. Just FYI.

Be well


BQUICK posted 09-04-2007 01:51 PM ET (US)     Profile for BQUICK  Send Email to BQUICK     
I notice on the can of SEAFOAM it says for SMALL two-strokes. Got me wondering.
onokai posted 09-09-2007 02:07 PM ET (US)     Profile for onokai  Send Email to onokai     
I use [Yamaha Ring Free] in all my Yamaha two-stroke and four-stroke motors. There has been a lot of disscusion on [Yamaha Ring Free] at other websites. I buy it by the case (free shipping) as well as all Yamaha parts from a great guy named Andy from shipyard marine. Andy has been super for parts, the best mail order parts place I have found.
seahorse posted 09-09-2007 04:32 PM ET (US)     Profile for seahorse  Send Email to seahorse     

>>>>tully_mars posted 06-27-2004 11:03 PM ET
...Marvel Mystery Oil. .. and the back of the bottle reads exactly the same as Ring-free. I would say Yamaha copied Marvel Mystery Oil since it has been around longer.<<<<

Ingredients from Material Safety Data Sheets

Marvel Mystery Oil:

1,2-Dichlorobenzene 0-1%
Stoddard solvent 20-30%
Hydrotreated naphthenic distillate solvent extract 70-80%

Yamaha Ring Free:

1,2,4 TriMethylBenzine 2%
Petroleum Distillate 25%
Xylene 3%
Propriatary Additive 70%

Dave Sutton posted 09-09-2007 05:50 PM ET (US)     Profile for Dave Sutton  Send Email to Dave Sutton     
1,2-Dichlorobenzene 0-1%
Stoddard solvent 20-30%
Hydrotreated naphthenic distillate solvent extract 70-80%


1,2,4 TriMethylBenzine 2%
Petroleum Distillate 25%
Xylene 3%
Propriatary Additive 70%



Since Stoddard Solvent *is* Petroleum Distallate (20-30% v/s 25%)


Since my guess is that "naphthenic distillate solvent extract" (70-80%) is another man's "Propriatary Additive" (70%) we're talking "Po-Tay-To" and "Po-Tah-To" here......

I have used Mystery Oil in aircraft engines for years, BTW.
Maybe it doesn't help, but it sure don't hurt either.
Seriously, we have a lot of issues with lead fouling in aircraft engine spark plugs, and Mystery Oil is VERY well proven to keep those deposits soft enough to be burned out and not become a hardened mass on the electrodes. Used it in outboards for years too, and never a carbon issue ever.


islandmanagers posted 09-17-2007 10:25 PM ET (US)     Profile for islandmanagers  Send Email to islandmanagers     
anyone ever drop a coupla ounces of straight mineral spirits in their tank?
Sal DiMercurio posted 09-18-2007 12:26 AM ET (US)     Profile for Sal DiMercurio  Send Email to Sal DiMercurio     
No, but some guy I know, heard acetone did wonders for some other guy, so he pores a quart in his fords tank, & it dissolves the fuel filter, & clogs up all the injectors.
Only cost him about $1,600 to fix.
Operaman posted 09-18-2007 01:08 PM ET (US)     Profile for Operaman  Send Email to Operaman     
Ring free everytime I add fuel. Get a little on your fingers. It is very slippery stuff. I have only heard good things about it.

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