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  1. #1

    Question about Carb Rebuild Part GP1200 65U

    So I have a question about the carb rebuild. I bought the Genuine Mikuni Rebuild kit for my gp1200x carbs and I was basically following the manual that it came with (basically exploded diagram of all the parts on the carb).

    On the pump side, I noticed that on the manual that came with the rebuild kit, they "sandwiched" the clear plastic diaphragm with 2 gaskets. On the actual waverunner manual on the other hand, they only used one gasket and DID NOT sandwich that clear plastic diaphragm.

    Which one should I follow?


  2. #2

    Join Date
    Apr 2012
    Location
    Matthews, NC
    Posts
    73
    I am currently rebuilding my SUV carbs. The two sandwiched gaskets were for the older versions of the Mikuni carb SBN44 and the SBN38. There should be a round o-ring that fits between the clear plastic diaphragm and the pump housing. When I disassembled my carbs that was the way they were put together.

    Click image for larger version. 

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    Click image for larger version. 

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    mdavidthomas


    Quote Originally Posted by bford View Post
    So I have a question about the carb rebuild. I bought the Genuine Mikuni Rebuild kit for my gp1200x carbs and I was basically following the manual that it came with (basically exploded diagram of all the parts on the carb).

    On the pump side, I noticed that on the manual that came with the rebuild kit, they "sandwiched" the clear plastic diaphragm with 2 gaskets. On the actual waverunner manual on the other hand, they only used one gasket and DID NOT sandwich that clear plastic diaphragm.

    Which one should I follow?

  3. #3
    I see. The manual that came with the kit kinda confused me. Thank you Thomas!

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