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    thread spec on head inlet rubbers

    I have a 1980 gs550et.
    I want to order up all the bolts which were originally
    philips heads and get hex bolts for:

    Carb to head inlet rubbers to head.

    I can't get mine out until head is off to check and wanted
    bolts at the ready. Getting them out is going to
    be hard.

    M6 * 1.0 * 30 ?
    Anyone have the spec at hand or feels
    like whipping one out to check spec be greatly
    appreciated ,

    Jules, UK.
    UKJULES
    ---------------------------------
    Owner of following bikes:
    1980 Suzuki GS550ET
    1977 Yamaha RD 250D
    1982 Kawasaki GPZ 750 R1
    1980 Suzuki GSX 250E

    #2
    Cycleorings.com has some info you may find useful.
    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

    Comment


      #3
      M6 x 1mm x 16mm
      1978 GS1085.

      Just remember, an opinion without 3.14 is just an onion!

      Comment


        #4
        What would i do wothout this site !!

        Thanks so much for the info ! (both)
        (and what a pdf on the carb rebuilt - amazing)

        thanks again

        Jules.
        UKJULES
        ---------------------------------
        Owner of following bikes:
        1980 Suzuki GS550ET
        1977 Yamaha RD 250D
        1982 Kawasaki GPZ 750 R1
        1980 Suzuki GSX 250E

        Comment


          #5
          Originally posted by ukjules View Post
          I have a 1980 gs550et.
          I want to order up all the bolts which were originally
          philips heads and get hex bolts for:

          Carb to head inlet rubbers to head.

          I can't get mine out until head is off to check and wanted
          bolts at the ready. Getting them out is going to
          be hard.

          M6 * 1.0 * 30 ?
          Anyone have the spec at hand or feels
          like whipping one out to check spec be greatly
          appreciated ,

          Jules, UK.
          Jules, comes out to 6X18, but I would recommend 6X20, which cost less.

          Comment


            #6
            Originally posted by retcol View Post
            Jules, comes out to 6X18, but I would recommend 6X20, which cost less.
            6 x 16 according to the Suzuki parts microfiche
            1978 GS1085.

            Just remember, an opinion without 3.14 is just an onion!

            Comment


              #7
              As Agemax said: 6mm diameter x 1mm thread pitch x 16mm long. That is the correct size. Don't go longer. Use Stainless steel if you can find them. Don't forget to put some anti-seize compound on the threads. Buy new O-rings that go between the boots and the head. As Nessism referenced, go to www.cycleorings.com and pick up both.
              Last edited by JTGS850GL; 02-23-2015, 03:33 PM.

              1980 GS1000GT (Daily rider with a 1983 1100G engine)
              1998 Honda ST1100 (Daily long distance rider)
              1982 GS850GLZ (Daily rider when the weather is crap)

              Darn, with so many daily riders it's hard to decide which one to jump on next.

              JTGS850GL aka Julius

              GS Resource Greetings

              Comment


                #8
                I've been corrected by an EX member on these forums that the 6mm x 20mm length is a better choice. They are available at www.z1enterprises.com here:



                They also have the new rubbers as well.
                Last edited by JTGS850GL; 02-24-2015, 11:04 AM.

                1980 GS1000GT (Daily rider with a 1983 1100G engine)
                1998 Honda ST1100 (Daily long distance rider)
                1982 GS850GLZ (Daily rider when the weather is crap)

                Darn, with so many daily riders it's hard to decide which one to jump on next.

                JTGS850GL aka Julius

                GS Resource Greetings

                Comment


                  #9
                  Hi Jules,

                  get a bag of 50 from here, nice and cheap. Maybe a store local to you.


                  You'll find plenty of other places to use them.
                  The continuing renovation of a GS850L

                  Comment

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