1925 Elto carburetor

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  • Tubs

    US Member - 1 Year
    Replies: 2803
    Topics: 161

    When you have nothing to go by your best
    bet is to start in the middle. My experience
    with poppet valve motors that when the poppet
    valve is opening too much they seem to run
    rich but leaning out the fuel mix doesn’t help.
    When the valve isn’t opening enough the
    motor won’t rev up. As it appears the adjuster
    was eliminated on later motors that might
    suggest that there isn’t enough adjustment
    to make a noticeable difference. Those who
    have actually run these may share their


    Canada Member - 1 Year
    Replies: 761
    Topics: 79

    That’s pretty much where I have it set. I was just wondering if there was an "official" setting.

    Upper Canada Chapter



    Lifetime Member
    Replies: 3544
    Topics: 31

    I have been unable to find an "official" setting, but did find this in a 1950s service manual. The Elto Ligtwin was 5.4 horse power opposed twin. I would think the Lightwin setting would be close. . . 😕

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