Home Forums Tech Talk Standards for checking Dellorto jet orifice size

This topic contains 2 replies, has 3 voices, and was last updated by  Rick Williams 2 weeks, 4 days ago.

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    Chad Harrington

    Where can I buy a set of standards to check dellorto  PHBG 18 BS carburetor main jet orifice.

    I have main jets from 80 to 100 and suspect some of being the wrong size for their markings.  I need precision set of standards to check the orifices.  Can anyone help?


    Brian Degulis

    We flow tested for consistancy and found that all the Dellorto jets are slightly different. Some are way off. If you suspect you have jets of the same # that aren’t the same your probably right.



    Rick Williams

    Brian Degulis if it’s not asking to much would you explain how you flowed your jets please.

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