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Bellmouth air intake for my Star

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  • Bellmouth air intake for my Star

    Hi guys (after I lost my account with years of activity)

    I'm now looking to swap my air intake to something smaller - allowing to see the engine.
    For now it was stock - way to big.

    I'm looking to Bellmouth kind of intake - with air filter (cone?) of course.
    There is no way to faind any info on this kind of carburetor mod - I saw some good examples on Japanese HD sites..
    Included some pics...
    I'd like to know if someone came across this kind of intake, perhaps where to look, buy? How to make?

    Thank you guys.
    All the best from Poland.

  • #2
    https://sscustomcycle.com/product/ss...aha-road-star/

    Comment


    • #3
      Thank you Green - not what Im looking for but thanks.

      Comment


      • #4
        You need an adequate amount of surface area of filter to not only filter out dirt but to allow enough air to get into the engine. A lot of folks here just use universal k&N filters.

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        • Torturro
          Torturro commented
          Editing a comment
          thanks

      • #5
        Air Filter Options (K&N)

        RA-066V - Round, .813" offset, 2" deep, 6" diameter
        RA-067V - Round, .813” offset, 3" deep, 5.875" diameter
        RC-1980 - Oval, centered, 2" deep, 7"x4.5"
        RA-076V - Oval, .5" offset, 2" deep, 7"x4.5"
        RA-077V - Oval, .5” offset, 3" deep, 7"x4.5"

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        • #6
          Thanks - looks like Id have to choose one of them that would fit aluminium Bellmouth...

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          • #7
            Originally posted by Torturro View Post
            Thanks - looks like Id have to choose one of them that would fit aluminium Bellmouth...
            We are not sure what you are really looking for. These will not fit over the bellmouth, they fit directly over the carburetor or the injectors on a fuelie. You would not use the bellmouth with these.

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            • Torturro
              Torturro commented
              Editing a comment
              exactly - and Im searching for any info if one could use both - bellmouth with filter inside. Thaks

          • #8
            Originally posted by Torturro View Post
            exactly - and Im searching for any info if one could use both - bellmouth with filter inside. Thaks
            Unfortunately the air flow would be extremely restricted due to the small surface area and performance would suffer. More air is better with proper jetting rather than less air.

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            • Torturro
              Torturro commented
              Editing a comment
              cannot agree - square area is the same - with bellmouth or stock filter - given by diamiter of carburator intake circle.

          • #9
            Originally posted by Torturro View Post
            cannot agree - square area is the same - with bellmouth or stock filter - given by diamiter of carburator intake circle.
            The square inch area of the filtering material of the stock filter, k&n filter or BAK is much larger than the round square inch area of the actual carburetor intake.

            Comment


            • Torturro
              Torturro commented
              Editing a comment
              Found a good and nice example - supossedly from USA - it reeds Davidso.. so its for HD - cannot find manfacturer thou..

          • #10
            Click image for larger version

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