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    My idle screw is not long enough to set proper idle?

    The problem is that the idle screw is not long enough to open up the idle,it needs about another 1/8 of an inch.Is this a common problem?What should I do?I just had the carb rebuilt.It's a rochester 2 barrell 2 jet on a merc 165 straight 6 cylinder.Any help whould be appriciated.
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    Rochester 2 bbl carb has no idle speed screw

    I have a rochester 2 barrell carburator 2 jet style on my GM straight 6 cylin engine.I have come to the conclusion that the idle speed screw does not exist on this model.Is it possible that you simply use the two idle mixture screws to adjust the idle?I have a merc 165 stern drive if that matter's.
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    merc 165 carb idle adjustment screw???

    I have a 1970's era merc 165 inboard straight 6 cyl GM motor with a rochester 2 bbl carb that I just had rebuilt and I can't locate the idle adjustment screw.My manual state's that it is hidden somewhere in the back of the carb by the throttle assembly,but I cannot locate it.I have located the...
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