<VV> Carb break down and diagnosis

Stephen Upham contactsmu at sbcglobal.net
Sun Oct 18 02:34:12 EDT 2009

I finally got a chance to take the offending carb off and take it  
apart.  The gaskets had already adhered to the surfaces even though  
they only had about 800 miles on them, so I will need to replace all  
of them.  I encountered a slight amount of debris in the bowls.  For  
the most part, it was very fine and very sparse.   There was one  
large piece in the left hand bowl.  It was about 1/32 " in diameter.   
The floats measured 1 1/16 closed and 1 10/16 open.  There was no  
stone, the rebuilder had placed a wire mesh basket that measures  
13/16 x 9 1/2  16th.  It was clear of debris.  As far as the idle  
circuit is concerned, light will pass though the idle circuit tube.   
When I tried to pass a telephone wire though the tube, it went all of  
the way up to the last 1/32" and no farther.  When I tried to pass  
the wire the opposite direction though the small opening of the tube,  
again, it stops at 1/32".  I tried to use needle nose pliers to force  
the wire though the tube by holding the wire at about 1/32" to the  
end, and "drill" (by turning the venturi cluster while holding onto  
the wire with the pliers) to no avail.

Now what?

Stephen Upham

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