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  1. #1
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    Join Date
    Jun 2014
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    37

    Default xs650 exhaust question

    need help for a project, i need to know the bolt spacing for the exhaust flanges on the 650. im working on a kz that has exhaust bolt centerline of 2.55 inches. there are more choices for the 650 exhaust but no one is publishing the flange specs

  2. #2
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    Join Date
    Dec 2017
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    Default

    What is it you are wanting to do? You say you got a KZ but want to put on Yamaha exhaust? Which model KZ ya workin' on?

  3. #3

    Join Date
    Apr 2019
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    11

    Default

    Looks to be 70mm CL to CL. (https://www.mikesxs.net/yamaha-xs650...-200-1010.html)

    I can measure mine this evening and report back.

  4. #4
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    Default

    the yamaha uses a better flange/pipe connection to the head than the kz400 does. im looking at building a different exhaust system for mine and incorporate air/fuel bungs for tuning.

  5. #5
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    Jun 2014
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    Default

    thanks, if its 70mm that may work, the kz400 is close to 65mm. i can make this work

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