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450 to 500. Head gasket O-rings?

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    450 to 500. Head gasket O-rings?

    Bolting a gs500 cylinder and pistons on to my gs450 head and I read about head gasket o-rings when talking about the 500? I see the o-rings on the gs500 parts Fiche but not for the gs450. Since I'm using a gs500 head gasket do I need the o-rings that go around the head studs??

    #2
    Probably best coming from someone else who's done this but if the O rings you mention go under the head nuts inside the head, then I'd say no as the 450 doesn't have them.
    1982 GS450E - The Wee Beastie
    1984 GSX750S Katana 7/11 - Kit Kat - BOTM May 2020

    sigpic

    450 Refresh thread: https://www.thegsresources.com/_foru...-GS450-Refresh

    Katana 7/11 thread: http://www.thegsresources.com/_forum...84-Katana-7-11

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      #3
      I bought a set anyway just in case. Still waiting to hear back from 'tkent02' who's done the upgrade. The 500 cylinder is chamfered around the 4 perimeter head stud holes where the 450 is not. We'll see. I haven't found a solid answer anywhere else.

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        #4
        Not sure but I think I used them. Used the 500 head gasket so I probably did. Not going to pull it apart to see but I think it made sense to use them.
        http://img.photobucket.com/albums/v5...tatesMap-1.jpg

        Life is too short to ride an L.

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          #5
          Great! Glad I pulled the trigger and got the expedited shipping lol.

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            #6
            Ah, the cylinders are chamfered under the head? If that's the case it makes perfect sense to use them. I was thinking they were just under the head nuts inside the head... now I understand it makes far more sense to use them
            1982 GS450E - The Wee Beastie
            1984 GSX750S Katana 7/11 - Kit Kat - BOTM May 2020

            sigpic

            450 Refresh thread: https://www.thegsresources.com/_foru...-GS450-Refresh

            Katana 7/11 thread: http://www.thegsresources.com/_forum...84-Katana-7-11

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