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Cooper tube identification/ removal

  • Thread starter Thread starter catdaddyrachel
  • Start date Start date
C

catdaddyrachel

Guest
Hi,

I had to purchase a #2 carb body for my gs1100 and I noticed that the new body doesn?t have this copper tube. Is there a way to swap it over to the new carb? I thought it might be soldered in but it doesn?t seem to want to budge.

EFD82BBF-97A8-4161-98A8-9C34C7481D72.jpg
 
That tube is pressed into the body. There are cross drilled holes at the base so if you tried to pull the old one out it may crack through the holes. If your old carb body is thrashed you could cut it apart and extract the tube, then drill out the broken tube in your new body and press the replacement tube in.
 
Nessism said:
That tube is pressed into the body. There are cross drilled holes at the base so if you tried to pull the old one out it may crack through the holes. If your old carb body is thrashed you could cut it apart and extract the tube, then drill out the broken tube in your new body and press the replacement tube in.
Click to expand...

thanks. The new carb doesn’t have anything there so I’m wondering if I can just buy the replacement tube and press it in. Do you or anyone else know the part number of the tube?
 
When looking for part numbers go to Partzilla for info. I wouldn't bother in this instance though because the tube is not available.
 
There is no separate part number for that tube.

Replacing the carb body will be the best option, if you can't extract one from the old and insert into the 'new'.

Not sure if I have a BS34 sitting around, I can check in the morning.

.
 
Is the hole there in the carb body but just missing the tube? Do you still have the old carb w/tube that you can cut apart?
 
Nessism said:
Is the hole there in the carb body but just missing the tube? Do you still have the old carb w/tube that you can cut apart?
Click to expand...

There is a hole in the new carb body. Looks like someone removed it which is why I was asking about a part number to replace it. The old carb body has a broken tube so I cant use that one. Unless I can find a replacement tube, it looks like i'll be buying another carb body.
 
If you are handy with tools you can fabricate a tube. K&S brass tubing is available at better hardware stores and hobby shops. You may need to flare out the diameter a little, which can be done with a tapered ground into the chuck side of a drill bit. You will have to roll over the end (the dimple in a threading die works) and drill the tiny holes in the base of the tube. I've not replaced one of those tubes in a BS carb but I've done a fair number of cracked tubes in Keihin float bowls before using the technique described.
 
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