YS 120nc Modification

[Lou Olsen]

Michael,

On my NC, I went up to 1/16th and stopped. That helped
slightly, but not enough.

I then put in the throttle body from the 120AC, which
fixed the problem. I suggest you go the throttle body
route, it wasn't expensive.

Lou Olsen

--- "fishgod at pobox.mtaonline.net"
<fishgod at pobox.mtaonline.net> wrote:
> 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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