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Any way to verify carb internals?

  • Thread starter Thread starter Mediocre
  • Start date Start date
Mediocre said:
On my GS750, the friend who owned it before I did purchased a carb rebuild kit from eBay, and used the parts in the kit.

Is there any way to verify that the parts in the kit were the correct ones for my bike?

http://www.thegsresources.com/_forum/showpost.php?p=1280339&postcount=149

The number on my engine is in the 60k range, so I assume that column 4 has the right info.

Thanks.
Click to expand...

The only person that can verify what is inside the carbs on your bike is you. Be warned IMO rebuild kits are crap.

The Mikuni original jets if you have them usually clean up quite well and as long as no one had dragged bits of wire through them for cleaning purposes they should be OK. Failing that you can purchase new the Mikuni jets, needles, etc.

It is the needle and needle jet that is most likely to wear. BTW the jet sizes in the Suzuki specs are Mikuni sizes, so if you have something else in your carbs that are not Mikuni you cannot do a straight comparison. If I was you I would get new jets, needles, etc.

Following are the GS750 Carb Specs from the factory manual.

GS750CarbSpecs.jpg


.
 
Last edited:
Suzuki_Don said:
The only person that can verify what is inside the carbs on your bike is you. Be warned IMO rebuild kits are crap.

The Mikuni original jets if you have them usually clean up quite well and as long as no one had dragged bits of wire through them for cleaning purposes they should be OK. Failing that you can purchase new the Mikuni jets, needles, etc.

It is the needle and needle jet that is most likely to wear. BTW the jet sizes in the Suzuki specs are Mikuni sizes, so if you have something else in your carbs that are not Mikuni you cannot do a straight comparison. If I was you I would get new jets, needles, etc.

Following are the GS750 Carb Specs from the factory manual.

GS750CarbSpecs.jpg


.
Click to expand...

Are the original Mikuni parts marked in any way so that you can tell which one they are? Is there a way to measure them to find some of this out? I note that some of the parts have numbers on them, but I don't know if it means anything or not, especially if the part is aftermarket.

I would really really really really really really prefer not to have to buy new parts if there is a way to identify what's already in there.
 
The square with the smaller square inside it. Just pulled the jets out of extra set of 550 carbs and all marked with that symbol.
I only see it on the jets and no other parts of carbs so they must source them from somewhere else.
 
Mediocre said:
I would really really really really really really prefer not to have to buy new parts if there is a way to identify what's already in there.
Click to expand...

a set of 4 jets will cost less than $15 shipped from Z1 or www.jetsrus.com

Please update your signature, I can't tell what generation 750 we're talking about here
 
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