Carburetors and their various parts,internal and external with pics.STICKY PLZ

[ben2go]

They are tied together on my carbs.I'll have to check on it, if I ever work on a GS again.

[rjoyce]

thanks... so if its an element of the carburetor dedicated to the starting ( explains why its tied into the choke) I might get lucky if one of the tubes is a 1/16th of an inch larger than the other original one that is STILL intact... if I drill it out to 5/32 and bend brass tubing to replace it... (the original part is flared and stepped down)   

(I accidentally broke it after almost completing a complete engine swap on my 1990 Suzuki that I've owed for 23 years ( replaced a 1996 engine))   

[rjoyce]

I made the tube out of 5/32 brass tubing, then drilled out the casing (just enough) to that OD and JB welded...see atatched...Choke opened smoothly...    it started right up... I broke the pipe during an engine swap with a 1996 engine ( installed on my 1990) .... I had to adjust the idle a little richer, but it might just a few miles to get the carb and engine to level out...thanks to all replies for the help

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[anoopb]

almost three years later...

i'm glad this is a sticky!

thanks for posting.

[ben2go]

 

[Nocluejoe]

Anyone know where to order this part ? Or what's the dimensions so I can search



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[ben2go]

I bought a kit with various O rings from Harbor Freight and put one in that fit.

[Mock]

If I have questions about my carbs can I post it here or should I start a new thread? I mainly want to post a video or two of my engine idling because I've gotten comments on it not running optimally...

[jdoorn14]

If I have questions about my carbs can I post it here or should I start a new thread? I mainly want to post a video or two of my engine idling because I've gotten comments on it not running optimally...

My preference would be to see your new request in a new thread, but I'm not a mod so my thoughts basically mean nothing.


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[ben2go]

If I have questions about my carbs can I post it here or should I start a new thread? I mainly want to post a video or two of my engine idling because I've gotten comments on it not running optimally...

You would get more views and advice in your own thread.

[sergbutton]

i got pics for the newer models finally.. lol 02-09 GS500F

















Feel free to edit them and name all the parts and what not.. everything is almost the same as the pics in the beginning!
But there are a few differences!

I have an 05 with this style carbs. When I pulled the Diaphragm caps off there were no little o rings, but when I look up the parts it does not show an o-ring.

I went to my Local Indy Guy and he said the same thing, that it parts Fiche does not show an o-ring.

Does anyone know if there is supposed to be an o-ring?   

[ben2go]

I have an 05 with this style carbs. When I pulled the Diaphragm caps off there were no little o rings, but when I look up the parts it does not show an o-ring.

I went to my Local Indy Guy and he said the same thing, that it parts Fiche does not show an o-ring.

Does anyone know if there is supposed to be an o-ring?   

No.Your diaphrams seals the top of the carbs.There are no vacuum ports located out side the diaphrams that require sealing.

[bill gise]

Guys Im at a total loss. the type or modle carbs as shown in the pic. are what I have mikuni 01ds t3z4 .being a old moto x er I though I knew a little about carbs.I DONT. bought a
suzuki gs 500 f not running said it had fuel leaks problem was had a hose between the vents and it was flooding fixed that. cleaned the carbs went through evething . added extenions to the air screws so I could adjust them.got the bike to start would not  idle.I read some differnt jets changes.what is the right jets for this bike.it has those vaccum pods on the diapham it would run with vaccum hooked to them or not hooked  do I need that extra throttle positioner
Had the carbs apart to many times im almost ready to go bask to my two strokes need some help  >bill

[ben2go]

Guys Im at a total loss. the type or modle carbs as shown in the pic. are what I have mikuni 01ds t3z4 .being a old moto x er I though I knew a little about carbs.I DONT. bought a
suzuki gs 500 f not running said it had fuel leaks problem was had a hose between the vents and it was flooding fixed that. cleaned the carbs went through evething . added extenions to the air screws so I could adjust them.got the bike to start would not  idle.I read some differnt jets changes.what is the right jets for this bike.it has those vaccum pods on the diapham it would run with vaccum hooked to them or not hooked  do I need that extra throttle positioner
Had the carbs apart to many times im almost ready to go bask to my two strokes need some help  >bill

Check the valve clearances.I had a GS that ran crazy and wouldn't idle.It turned out to be tight valves.The bike should run with the vacuum port plugged and the fuel valve set to prime.Make sure the fuel levels are set per service manual specs.Also check and make sure the 2 little O rings are in the top of the carbs under the vacuum ports.Here is the wiki on carbs. http://wiki.gstwins.com/index.php?n=Upgrades.Rejetting

[bill gise]

will check valves today on post from serghotton reply#70 june 10 2014 in the pic tures the 6th from the top  are the type of carbs. I have.no O rings on diaphrams on top. the little dish pots on top are what im trying to find out do whey have to have a vaccum line to then or just open the bike will run either way. thanks  Bill

[ben2go]

will check valves today on post from serghotton reply#70 june 10 2014 in the pic tures the 6th from the top  are the type of carbs. I have.no O rings on diaphrams on top. the little dish pots on top are what im trying to find out do whey have to have a vaccum line to then or just open the bike will run either way. thanks  Bill

This is how they should look for the bike to run properly.

[Alex carey666]

Hello I've just bought a GS 500 1992 for $100 now I've got a hovering idle issue when you rev the bike it is slow to return to idle and hovers at 2k sometimes it revs up itself I've put a jet kit in it checked the compression valve clearances one intake valve is a bit loose  the compression came back one pot was 141psi the other was 142 so no problem there I checked fuel chicken not a fan of the fuel chicken system I've synchronized the carbys I've sprayed the intake manifolds with start ya bastard when I spray the butterfly circlip the revs increase so I wound the idle up to 4k as there will be more vacuum at higher revs and it increased 500rpm so I'm thinking its an issue with air getting sucked in in front of the butterfly's has anyone else had this issue or knows if you can get the parts I'm guessing they are nylun bushes or something its just the image in the clymer owners manual doesn't name or number the butterfly bushes and I couldn't find anything in the book help this Aussie digger out 

[ben2go]

Hello I've just bought a GS 500 1992 for $100 now I've got a hovering idle issue when you rev the bike it is slow to return to idle and hovers at 2k sometimes it revs up itself I've put a jet kit in it checked the compression valve clearances one intake valve is a bit loose  the compression came back one pot was 141psi the other was 142 so no problem there I checked fuel chicken not a fan of the fuel chicken system I've synchronized the carbys I've sprayed the intake manifolds with start ya bastard when I spray the butterfly circlip the revs increase so I wound the idle up to 4k as there will be more vacuum at higher revs and it increased 500rpm so I'm thinking its an issue with air getting sucked in in front of the butterfly's has anyone else had this issue or knows if you can get the parts I'm guessing they are nylun bushes or something its just the image in the clymer owners manual doesn't name or number the butterfly bushes and I couldn't find anything in the book help this Aussie digger out 

On the early style carbs,once the throttle shaft bushings start to leak air,replacement is the cheapest option.There are no busking kits.The bushings are brass and they are honed to fit the throttle shaft.Hovering idle in caused by a lean condition.The throttle shaft leak could be it.Low float levels could be another area to check.You maybe able to make the carbs run better and not have to replace/repair them.

[frank345]

Hi guys,

I'm new to the forum. Name is Frank and I live in Ireland. I have a restriction question for the board. I have a factory restricted GS500 (2002) and am lead to believe it is restricted via the carb slides/pistons. I removed the slides today and there a hole going through the slide as well as 2 holes in the bottom of each slide. Tried to add pictures but they were too large.

I am just looking for some advice as to whether they are the restricted slides or not and if "full power" slides can be obtained.

Any help would be gratefully appreciated

Thanks in advance!

[ben2go]

Hi guys,

I'm new to the forum. Name is Frank and I live in Ireland. I have a restriction question for the board. I have a factory restricted GS500 (2002) and am lead to believe it is restricted via the carb slides/pistons. I removed the slides today and there a hole going through the slide as well as 2 holes in the bottom of each slide. Tried to add pictures but they were too large.

I am just looking for some advice as to whether they are the restricted slides or not and if "full power" slides can be obtained.

Any help would be gratefully appreciated

Thanks in advance!

Welcome Frank.I would ask this in the General Discussion section where more people will see it.Here in the US,we don't have restricted bikes.I wish i could be of more help,but all of my GS5's are older with the older style two jet cabs.