YS 120nc Modification

[fishgod at pobox.mtaonline.net]

I have a YS 120NC that runs extremely rich on the low end.  I ran it last
year but I had to really crank in the regulator  in order to get it to
idle.  I thought I read somewhere that you could drill out the hole in the
throttle body a little larger and it cleared up the rich low end.  Is this
true?  If so how big do you enlarge the hole to? Would a 1/16th be in the
ball park?

 

Michael Laggis



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