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  • jet numbers

    What system is used to identify a particular jet size? For example: C25MLHT uses main jet #146. Does 146 refer to a measurement of the orifice or is it simply an assigned number.

    Thanks!

  • #2
    I tried to find out what the #s mean several years ago and never came up with any answers.
    I even tried using the shank of small drill bits to see if I could find one to just fit a jet and then measure that, it did not match anything I could figure out.
    good luck with your search and report back if you find something.

    Something to remember is it is not just the size of hole through the metal it is the shape of the hole also. This is why they say not to run hard wire through them when cleaning the out as it can deform the hole

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