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lost a part of my carb.

  • Thread starter Thread starter Wheelbreak
  • Start date Start date
W

Wheelbreak

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So I was taking my carbs apart so I could find out the size of the pilot jets to up them and I either lost a rubber washer or a PO did. I'm not sure how important it is or what it does. It's of a mikuni BS34ss carb from my GS11ooEX. There is no name for it in my clymer manual. Can anyone help me out? Do I need it? What is it for? What is it called?

I'm pointing at one from another carb with my screw driver here



heres where it goes on the other side

 
Its a rubber washer that holds the plug into the throats..just use an oring that fits inside and is just slightly proud of the carb body surface.
 
Well..that the proper term. If something stick above a flush surface a little it is known as being "proud". If it sits bellow its known as recessed.
 
perfect will do! Glad you replied before I ordered one and spent $7 on shipping only to wait a week to get one. Weather is too nice this weekend not to ride. Why is there a plug in the throat there? On other versions of this carb is there another jet there or something?
 
Why is there a plug in the throat there? On other versions of this carb is there another jet there or something?

No jet, it's just a plug. I think it's used for something in manufacturing the carb.

I do know if that aluminum plug falls out, it's like having a 1/4 inch diameter main jet, the bike runs only on the other three cylinders, it smokes like a Vega on two stroke oil, and some poor unknowing owner then sells me a nice tight GS1000E needing one carburetor plug for $300. :-\\\

Dude. It blew a ring! Give me $300!

:D
 
Tom is correct. They drill a hole there for making access to drill the port and then plug it with that disc. the washer just holds it in place when pinched between the bowl and the carb body itself.
 
tom or chuck do all bs cv 34s have and need that washer ,or oring , I don't remember mine having them, might be why having trouble getting it to run right
 
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