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80 GS450L Carb Mixture Screws...Can't Buy?

  • Thread starter Thread starter exbellicus
  • Start date Start date
part 50 is for the choke lever....im having trouble finding the same screw myself
 
Usually you can get them in the carb rebuild kits by K & L
Check ebay or any of the online vendors
 
Cut a new slot with a Dremmel and heat it up with a torch. It'll come out and you should be able reuse them. (Strip the carbs first)
 
A friend suggested I can blow it out with an air compressor from the other side. Going to give that a shot in the morning
 
Had a similar issue when I rebuilt the carbs on mine. The fiche on bike bandit doesn't show the mixture screw, but when I went to the dealership it showed it on their fiche. Thankfully Jethro here saved me by sending me one. Had to send two since the first was lost by the USPS. I'd say go back to the dealership and see if they'll let you see what is on the screen. Otherwise ask here or search ebay for a set of parts carbs.

Brad bk
 
Well this is the mixture screw, and I'm sure it is already past the threads it is just stuck in there, I think it might just be the seal is making a suction.
 
The GS450 uses BS34 carbs like the GS1000 right?

You should be able to use 2 of the 80 GS1000L carb kits from Z1..
They come with new pilot screws. Just re-use your old jets as I doubt the GS1000 set would be the same.

Robert Barr also has an O ring kit for the 450's
http://www.cycleorings.com/450.html
 
SqDancerLynn1 said:
Usually you can get them in the carb rebuild kits by K & L
Check ebay or any of the online vendors
Click to expand...

No luck on finding a carb kit :(

I've got an o-ring kit from robert. Carbs have already been dipped and all o-rings have been replaced besides these.
 
exbellicus said:
Well this is the mixture screw, and I'm sure it is already past the threads it is just stuck in there, I think it might just be the seal is making a suction.
Click to expand...

Not sure what you mean by "already past the threads" So, you unscrewed it all the way out, however, it still won't come out of the tunnel ? If you can unscrew it enough to clear the threads, perhaps you can grab it with a small pair of needle nose pliers. Honestly, it shouldn't be that difficult to get it out if it's unscrewed. All the ones I've done just fall out.

There shouldn't be any suction on this screw.:)
 
Yea Larry I've turned and turned them both, tried pulling out with pliers but the hole is too tight to get anything in there. I'm thinking I drill a tiny hole in the screw from the top and pull it straight out, so it would be reusable.
 
Weird....are they BS34 carbs ?

If you do try a drill, you're going to need a reverse cut bit, also known as a left-handed bit. They are designed to cut as the drill turns left. Otherwise, you're going to drill it back down into the tunnel.

Let me think on this one for a minute.......:)

EDIT:: Can you post a picture or two.
 
There is crap in the port leading to the mixture screw. Screw it back in and clean this with a drill bit and carb cleaner. Don't damage the head of the screw with the bit.
 
Very strange that the screws won’t come out. You might want to try a dab of 5 min epoxy on a small nail head to stick down on the screw, just keep the glue off sidewalls of the tunnel. Once the glue is dry you can pull out the screw by pulling the nail.

If you find the screws are damaged I think Z1 sells them separately. Search though the section on the GS1000 carbs, which are BS34 and similar to those 450 carbs. You can also post an ad here in the Parts Wanted forum. I should have a couple of those screws laying around so let us know what you find after you get them out.
 
Yep, good call Bill. Try turning the screw back in, don't bury into the tunnel or the tip will break off and then you have a whole new set of problems.....Then spray the crap out of it with carb cleaner and ensure the threads of the tunnels are clean.

When you dipped it with the screw in place, the rubber o-ring probably melted in there and now you have a mess of congealed rubber...

I guess......worth a shot anyway.:)
 
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