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Converting GS400 to GS450

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    Converting GS400 to GS450

    Hey guys,

    I'm looking to completely tear down my 1981 GS400L over the winter and rebuild it. What would be involved with converting it to a 450? Would I have to find a GS450 head & piston and then rejet the carbs?

    #2
    Originally posted by sk88er44 View Post
    Hey guys,

    I'm looking to completely tear down my 1981 GS400L over the winter and rebuild it. What would be involved with converting it to a 450? Would I have to find a GS450 head & piston and then rejet the carbs?

    Yeah you got it. but get the cylinders too.
    Stephen.
    1981 GSX540L "Frankintwin"
    1989 GS500E Resto-mod .

    400 mod thread
    Photo's 1

    Photos 2

    Gs500 build thread
    GS twin wiki

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      #3
      There's at least one member here making his a 500.
      http://img.photobucket.com/albums/v5...tatesMap-1.jpg

      Life is too short to ride an L.

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