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Can't find carb rebuild kit for my year?

  • Thread starter Thread starter Neebs
  • Start date Start date
N

Neebs

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I have a 1984 GS550ES, and I've looked through google and ebay trying to find a rebuild kit for my carburetors, but every result that comes up is showing me kits for different years or different models. There are a few universal kits that come up, but I would be hesitant to get those. Does anyone know where I can find a carb rebuild kit for my year/model?
 
I have never found one either. I don,t think they exist. You cant get emulsion tubes or jet needls anymore from OEM.
 
With all of the GS series I have never seen rebuild kits recommended. Generally there are not many parts that need to be replaced besides O-rings and float gaskets. All the other parts should be easy to clean with a 24 hour soak in carburetor cleaner. There are parts still available for the carburetors. I would recommend getting in touch with Robert Barr at (http://www.cycleorings.com/) to see if he has the necessary O-rings. You should be able to get float bowl gaskets at a Suzuki dealer.
 
Thank you both for the info. I thought I was going crazy when I couldn't find anything.
 
"rebuild kit" = questionable aftermarket parts

Replace the soft parts like O-rings and gaskets and reuse all the original brass jets and such unless damaged.

And be sure to fully ungang the carbs and clean everything properly. Short cut and you will wind up having to do the carbs again.
 
Yep, use a kit from cycleorings.com and do it yourself, or send the carbs to one of the members here that will do them for you. As mentioned in your electrical thread, doing the carbs is not hard, but does require some attention to detail, some basic tools and some chemicals.


.
 
Wow, so one of the pilot jets and one of the main jets were chewed up pretty bad. I feel like I got lucky getting the pilot jet out. The main jet I used a pair of pliers to grip and turn. I also found out after the fact that the two main jets in each carb are different sizes. I think I put them back in the right spots, but do you guys know how I figure out which one goes where? And if I order replacement jets, is one company better than another?
 
Numbers 2 and 3. Number 1 is on the left, under your clutch hand, 4 on the right, under the throttle.
 
Cipher said:
larger mains are for the inboard cylinders
Click to expand...

Neebs said:
Sorry for being a newb, but which ones are the inboard cylinders?
Click to expand...
I think if you had also heard the term for the other cyinders, "outboard cylinders", you might have figured that out.


Neebs said:
And if I order replacement jets, is one company better than another?
Click to expand...
No doubt here, get Mikuni jets for your Mikuni carbs.
One good source is Jets R Us. (<-- click link)

If you have stock intake and exhaust, stock sizes are 95 for the outer cylinders and 102.5 for the inner ones.

.
 
Well, now I'VE learned something...inboard vs. outboard jettings vary. Hmmm...is this due to operating temps & trying to get the inboard cylinders cooler? sorry for hi-jacking, but I just gotta know! :)
 
I think that was an attempt to cool the inner cylinders, and it was only on the 16-valve 550s ('83 and up) and the 1150.

.
 
Suzuki first used it on the two-stroke air-cooled triples. The larger main (and the ram-air cover) were supposed to help cool the middle cylinder. They weren't entirely successful......
 
steveb922 said:
Numbers 2 and 3. Number 1 is on the left, under your clutch hand, 4 on the right, under the throttle.
Click to expand...

Steve said:
I think if you had also heard the term for the other cyinders, "outboard cylinders", you might have figured that out.
Click to expand...

Thank you both for the clarification. This is what I was thinking Cipher meant, but I didn't want to assume.
 
So after cleaning and reassembling both carbs, it looks like the pistons in the second carb keep getting stuck open, and won't slide back down unless I tap on the side of the carb. The diaphragm looked fine, so I'm not sure what they are getting hung up on.
 
Did you clean the slides and the bores they ride in? :-k

You might be able to remove the slides without removing the carbs from the bike. Remove the caps, then lift the yoke with the two slides. Spray some carb cleaner on a rag, then wipe the slides and the bores. Before re-assembly, test fit each slide in its bore to see if it is smooth.

.
 
I just wanted to give you all an update..
I found a few more issues with the carburetor after cleaning it and putting it back together, but I was able to fix and reassemble them. I hooked the carbs back up last night, and tried to start it. It took about 5 tries, but I finally got it running! It's the first time that bike has ran since 2002, so the startup smelled awful! I will have to hook the airbox back up and reassemble the rest of the bike for a test run. I'm sure I will find more issues when I go to ride it, but I wanted to thank all of you for your help with the carbs and my electrical issues! You all definitely helped steer me in the right direction!
 
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