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    #16
    Originally posted by Kaiser Sosei View Post
    I'm curious if there is anywhere in the States that the gas doesn't have alchohol in it. It seems everywhere I have been all across the country, it all has alchohol. Even in rural areas.
    You can find ethanol free gas all over the place in Oklahoma. They passed a law here last year that pumps that have alcohol in them have to be clearly labeled, which is awesome. You tend to pay about 5 cents more a gallon for alcohol free fuel, but it's worth it (better gas mileage).

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      #17
      Originally posted by bwringer View Post
      ...And stop listening to goobers at gas stations....

      This guy told me I needed Viton o-rings in my carbs:






      But this guy said that Buna ones were fine:





      And this guy (he's undercover in this photo) said he'd arrest me if I started a thread about synthetic vs. dino oils:
      sigpic

      SUZUKI:
      1978 GS1000E; 1980 GS1000G; 1982 GS650E; 1982 GS1100G; 1982 GS1100E; 1985 GS700ES
      HONDA: 1981 CB900F Super Sport
      KAWASAKI: 1981 KZ550A-2; 1984 ZX750A-2 (aka GPZ750); 1984 KZ700A-1
      YAMAHA: 1983 XJ750RK Seca

      Free speech is the foundation of an open society. Each time a society bans a word or phrase it deems “offensive”, it chips away at that very foundation upon which it was built.

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        #18
        Nissan had a massive recall a number of years back to replace rubber fuel system parts that were deteriorating due to evolutions in fuel formulations; the rubber did not deteriorate with the old gas formulas but did with newer formulas. This problem was not related to alcohol, but rather to other compounds in the fuel (can’t remember the exact details).

        My opinion is that it wouldn’t hurt to hedge the bet and use Viton (fluroelastomer) rubber o-rings inside the carbs. I did a search on the web about “fuel injector O rings” and turned up a number of examples where modern cars are using this type of material. I also uncovered reference to using Buna-N O-rings as well but these references were on older cars.

        As Griffin alluded, this issue is sort of like synthetic oil; there is technical merit to using synthetic/viton, but it’s not a do or die sort of issue.
        Ed

        To measure is to know.

        Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182

        Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846

        Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf

        KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-Resurrection

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