Posted by L.A.B. on 10/13/2009, 10:00 pm, in reply to "air screw"
82.22.53.127
<<what i need to know is what size to drill the hole and the appropriate tap to match air screw threads so i can use some spare air screws i have to plug them up>>
The tap you need is 2BA, as both the airscrew and throttle stop screw threads are 2BA the same as the carb top and float bowl screws.
http://www.jba.bc.ca/Bushmans%20Carb%20Tuning.html#MODIFY
The nearest standard size tapping drill is M4.
http://www.laymar-crafts.co.uk/info2.htm
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