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will a 1980 750 chain engine fit a 1979 chain drive frame

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    will a 1980 750 chain engine fit a 1979 chain drive frame

    thanks!

    #2
    Re: will a 1980 750 chain engine fit a 1979 chain drive fram

    I made that swap about a year ago. 79's were 8 valve engines and 80 was a 16 valve engine. The 80 engine will fit inside the 79 frame physically, but I found not all the engine mounts are the same spacing, so I had to fabricate mounting brackets. I made brackets out of 3/16" stainless steel.

    Earl


    Originally posted by ktmduke
    thanks!
    Komorebi-The light filtering through the trees.

    I would rather sit on a pumpkin and have it all to myself than be crowded on a velvet cushion. H.D.T.

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      #3
      thanks for the reply.

      that sounds encouraging. Are there any other snags besides mounts? I have to use the 79 carbs cause the 80 engine doesn't come with them - hopefully that wont be too problematic.

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        #4
        Suzuki changed carb types in 1980. You'll have to get a set of 80 or newer carbs.

        Terry

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          #5
          Re: thanks for the reply.

          You cannot use 79 VM carbs on an 80 model that was meant for CV carbs. Diameters and flanges are different. You also cannot use the 79 airbox without making modifications.

          Earl

          Originally posted by ktmduke
          that sounds encouraging. Are there any other snags besides mounts? I have to use the 79 carbs cause the 80 engine doesn't come with them - hopefully that wont be too problematic.
          Komorebi-The light filtering through the trees.

          I would rather sit on a pumpkin and have it all to myself than be crowded on a velvet cushion. H.D.T.

          Comment

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