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'78 GS750E - Pilot Fuel Screw?

  • Thread starter Thread starter Nickel
  • Start date Start date
N

Nickel

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I'm in the process of cleaning out the carbs and am following the VM manual. I've gotten to removing the Pilot Fuel Screw and cannot seem to find it anywhere. Can someone please point out where I would find this? Is it covered by the float bowl, or is it somewhere on the outside of the main carb body?

W9qdmdT.jpg
 
Sorry, I'm newb. Could you dumb it down a bit for me? I don't see anything left, anywhere on the body that will accept a flat screwdriver. Also, not sure where to find the "mixture screws on the side of the throats".

There are holes with round things in them that I can only describe as looking like a bullet in the chamber.
 
Jeff.. Now that we have established WHY there arent any pilot screws in your carbs and why you CANT see thru the holes, here is the tutorial on how to remove the broken off pilot screw tips. like I told you on the phone, I use sharpened wire coat hanger rod. Very fine point and just a few rather gentle taps ( dont wind up like your driving nails ) and the tips should pop out.

Then proceed to dip and rebuild per the tutorial. And if you remove the plastic bucket from the Berrymans can you will be able to do 2 bodies at the same time side by side..tight fit but they will go in.

http://members.dslextreme.com/users/cbsaunders/gs/pilot_screw_removal.pdf
 
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Chuck, thanks again for taking my call! I managed to get a bot better photo down the screw hole to show you what I see in all 4 carbs.

GFG07Qg.jpg
 
Thats the pilot screw port. I cant exactly tell whats in the bottom, but like i said, theres a tiny hole at the bottom that goes thru to the bottom of the throats...the one you saw where I told you to look. Take that bread tie and see if it will poke thru there too.

Looking at the flatness of the bottom of that hole, I now wonder if the previous owner tried putting the side mixture screws in there instead of the pointy pilot screws. That would basically smash the tappered sides of the hole and push carb body material into the hole and wedge them shut.

Maybe you dont have broken tips now that i see the picture. Maybe you got smashed in seating surfaces in there. Try the bread tie first. If the wire goes in at all then the tips arent in there..which moist likely leads me to the second possibility. And hate to be the bearer of bad news, but IF the previous owner did jam the mixture screws in and ruin the seats..........those carb bodies are now junk.
 
Broken tips would look like just a tiny speck of goldish brass looking stuff way down at the bottom of the hole..those look smashed in to me. Thats my best opinion here Jeff. I am gonna PM you.
 
I straightened out a paperclip and was able to get it about 1/8" - 1/4" into the hole before it bottoms out on something. It's definitely not coming out so I think you might be right about the worst case.
 
Yup...If the tip was in there you wouldnt be able to get it in past the rim of the hole...see your PMs..I got the solution....LOL
 
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