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Carb ID

  • Thread starter Thread starter rputney01
  • Start date Start date
R

rputney01

Guest
Can anyone tell from this pic if these are BS34SS carbs? Supposedly, they came off an '80 1000G.

Thanks.
 
The choke linkage looks the same as the mikuni carbs on my 1980 GS750L, which are BS32's. It is very possible, do you have any more pictures?
 
Can't go by just the choke linkage, need a better measurement on the throat. :o

Can't tell if the left edge of the ruler is at the edge of the throat, and can't read the right side too well, either.

.
 
almarconi said:
The choke linkage looks the same as the mikuni carbs on my 1980 GS750L, which are BS32's. It is very possible, do you have any more pictures?
Click to expand...

This is the only other one I have. It doesn't really show the linkage very well. Does this help?
 
They are definitely mikunis. They didn't come from a 1980 750 because notice that the intake manifold has an o-ring (750's don't use o-rings). Could be an 850 or 1000, you would need to measure the intake's to be sure.
 
chef1366 said:
Yup, Mikuni 34mm carbs.
Click to expand...
Yup..off a 1000E/G/L or 1100G/L with those intake boots. These WILL NOT bolt up to a 16v 1100 motor without some jetting changes. I do believe the 8V 34s used larger mains, pilots and air correctors. These would all need to be changed out. You might double check the needle type as well.. they may have been different.
 
TheCafeKid said:
Yup..off a 1000E/G/L or 1100G/L with those intake boots. These WILL NOT bolt up to a 16v 1100 motor without some jetting changes. I do believe the 8V 34s used larger mains, pilots and air correctors. These would all need to be changed out. You might double check the needle type as well.. they may have been different.
Click to expand...

Thanks guys. By inference then, they would fit a stock 1000S? Would the performance be significantly better/worse than 29mm smoothbores?
 
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