Yes, it does change the pattern, but unfortunatley, none of the options are SAE patternGood day
That is a pattern changing valve you illustrate , I'm confused undoing the thumb screw and turning the lever will change the pattern.
Kind regards
Uffex
So what does a "Gray market machine" mean?As far as I can tell, it is a gray market machine. That serial number does not show up anywhere in my information.