Re: 1966 JW-21 3hp fixed carb orifice

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July 23, 2016 at 8:24 pm #40770
bullie
Participant

    Left hand thread drill bits work great on brass the few times I had to drill something out. Usually it screws itself out before you get all the way through. I have not tried them on anything as small as the jets so maybe it wouldn’t work for those but they work great on needle valve seats.