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    #1

    Seafoam question

    So after some reading online i found out that most people who use the stuff swear by it, so i thought i'd give it a try. So far i've just been running it in the gas tank, and i've been getting the expected results.

    My question is this: According to the company this stuff works great for cleaning out the crankcase, but i can only find this claim in reference to cars. I've done some searching on here, but i couldn't seem to find out for sure if this is a good idea with our GS's given the whole clutch thing.... (my understanding is that you should NOT add any kind of lubricating agent to the oil)

    Will seafoam in the crankcase help? Or bad idea?

    I'm pretty sure my engine is fine without doing this, but it got me thinking.....
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    #2
    A lot of people will say don't do it. I have done it, but not going to "recommend" it. I put .75 oz per qt of oil in, ran it about 10 miles, then drained and changed the oil. The oil that came out which had only been in for maybe 150 miles was black as midnight. Not sure if it did any goos or not. The danger is you are thinning your oil.

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      #3
      Originally posted by doctorgonzo View Post
      A lot of people will say don't do it. I have done it, but not going to "recommend" it. I put .75 oz per qt of oil in, ran it about 10 miles, then drained and changed the oil. The oil that came out which had only been in for maybe 150 miles was black as midnight. Not sure if it did any goos or not. The danger is you are thinning your oil.
      Do it on that last ride in the fall, you know, the one that really was too cold. Or maybe if you're putting in new oil for this, put in one quart of heavier oil to offset the thinning effect? Perhaps loosening gunk thickens the oil up again? Or maybe running through one tank on slightly thin oil isn't really that bad. Whaddya think?
      Dogma
      --
      O LORD, be gracious to me; heal me, for I have sinned against you! - David

      Skeptical scrutiny is the means, in both science and religion, by which deep insights can be winnowed from deep nonsense. - Carl Sagan
      --
       '80 GS850 GLT
      '80 GS1000 GT
      '01 ZRX1200R

      How to get a "What's New" feed without the Vortex, and without permanently quitting the Vortex

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        #4
        read the msds its naptha and light oil mostly

        I recall oldtimers using a gallon of kerosne to flush out the crank of diesel tractors during an oil change

        not while running just draiend the oild put int he drain plug, pured in the kerosene waited a bit then drained it out.

        of course there is lots of soot and stuff in diesel.

        Seafoam may work wonders for some people but the best way to clean a crankcase is likely to drop the pan and wash it out woth solvent as thats where most of the gunk ends up thanks to gravity.

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          #5
          I checked with the company and they stated that as it is a petroleum based product it is fully compatable with gas and oil. They say it is safe to use in mc crankcases and clutches. They recommend it for rejuvenating old bikes as it will clean grunge from oil passages. An ounce or so to standard fill of oil should be fine and run it to 500 miles or so.

          I put it in my GS with a fresh oil change when I got it on the road last year. I only have 600 Km on the bike now so a few more and i'll drain and change oil and filter.

          For the last couple of years or so I've been running it in the tank all the time. Just a couple of ounces per tank. It might just be wishful thinking but the bikes do seem to run a bit better.

          I don't think you will have any problem with it.

          Cheers,
          Spyug

          Comment

            #6
            Originally posted by Dogma View Post
            Do it on that last ride in the fall, you know, the one that really was too cold. Or maybe if you're putting in new oil for this, put in one quart of heavier oil to offset the thinning effect? Perhaps loosening gunk thickens the oil up again? Or maybe running through one tank on slightly thin oil isn't really that bad. Whaddya think?
            Yeah, I don't think I'd run the 500 miles, but anything like this is a judgement call and a dice roll. I probably won't do it again on this bike. It was just a one time cleanout.

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              #7
              Huh, sounds like it's fine to run it in the case. I'll prob give it a try later this season. i'll post up when i do, thanks for the info!

              Comment

                #8
                Originally posted by Tmwnni View Post
                Huh, sounds like it's fine to run it in the case. I'll prob give it a try later this season. i'll post up when i do, thanks for the info!
                Again, wouldn't run it all the time. Put some in and either with a high concentration (like .75 to 1 oz per quart) run it a very few miles and dump it, or at a lower concentration run it a couple hundred miles and dump it.

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                  #9
                  I've put it in the crankcase with no adverse effects.

                  The same cannot be said for Marvel Mystery Oil. A friend of mine toasted the wet clutch in his CB within a few miles after adding MMO. Completely anecdotal, but I personally wouldn't do it.

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                    #10
                    put in one quart of heavier oil to offset the thinning effect?
                    Hard to get much heavier than 20W-50

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