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this ruined my weekend

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    this ruined my weekend

    I'm new to this. Following the gs cv mikuni carb rebuild for my 1983 gs750

    So the air bleeder screw was stuck in mycarb body lasto week.I took it to the machine shop since the Zuki dealer wouldn't touch it.

    Their machinist cranked it down so hard it tore off a chunk or something. I wish bad things up on him. Of course they won't buy me a new one.. very bad things.



    Where can I get a new one? Do new ones come with all the insides and caps and misc parts on it? It's number 1.
    I can get a set of bad looking carbs from the local bike graveyard for 100$ but they look really really bad.


    They also ducked up the threads where the air screw goes. So I do think think I can jb weld it.

    /sadpanda

    Anyone have suggestions?

    #2
    Thats really just cosmetic damage. The gasket fits inside the lip and will be pinched between the bowl..it wont leak.
    MY BIKES..1977 GS 750 B, 1978 GS 1000 C (X2)
    1978 GS 1000 E, 1979 GS 1000 S, 1973 Yamaha TX 750, 1977 Kawasaki KZ 650B1, 1975 Honda GL1000 Goldwing, 1983 CB 650SC Nighthawk, 1972 Honda CB 350K4, 74 Honda CB550

    NEVER SNEAK UP ON A SLEEPING DOG..NOT EVEN YOUR OWN.


    I would rather trust my bike to a "QUACK" that KNOWS how to fix it rather than a book worm that THINKS HE KNOWS how to fix it.

    Comment


      #3
      And JB Weld will fill that in just fine, cosmetically speaking. Fear not.
      "Thought he, it is a wicked world in all meridians; I'll die a pagan."
      ~Herman Melville

      2016 1200 Superlow
      1982 CB900f

      Comment


        #4
        Originally posted by ennuii View Post

        They also ducked up the threads where the air screw goes. So I do think think I can jb weld it.
        This is the bigger problem. Can the screw still be threaded in?
        http://img.photobucket.com/albums/v5...tatesMap-1.jpg

        Life is too short to ride an L.

        Comment


          #5
          It feels like I'd have to force it. And I don't want to re-cross thread it..

          Comment


            #6
            Not sure about the screw deal. But get Quicksteel at walmart and it will set up in 5 minutes and hard as steel in an hour. Don't ask how I know LOL

            Comment


              #7
              You should report that shop to the better business bureau. If a machinist screws something up he should make it right.

              Comment


                #8
                Thread chaser?

                I would try a thread chaser like these http://www.bikernet.com/pages/THREAD...R_TAP_SET.aspx for the mixture screw threads if you can find one small enough and metric of course. If you don't already have a set i would highly recommend them, they come in handy more than you would think. If you can't get it straightened out you can probably find a carb body on ebay or maybe someone on here may have one.

                Comment


                  #9
                  Thread Tap is 6MM by .5 plug tap.

                  As others suggest, gasket surface appears to be repairable.

                  New mixture screws from Z 1 if required.

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