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carb prob wtf

  • Thread starter Thread starter 1980gs1100l
  • Start date Start date
1

1980gs1100l

Guest
ok workin on an 83 gs1100 i set valve clearences changed plugs and went to sinc the carbs on carb 1 and 4 i had around 12in vacc and 2and 4 around 32in vacc and i cannot for the life of me get the numbers closer ive backed the screws totally out from one extreme to the other wtf gives here any suggestions havent really done anything to the carbs on this bike
 
Sounds like you have some vacuum leaks. Did you plug the hose for the petcock?
 
I was thinkin the same, or you mucked up your valve adjustment somethin fierce..
 
1980gs1100l said:
havent really done anything to the carbs on this bike
Click to expand...

I think it is the rear axel causing all the problems.

:sarcastic:

Need more infomation Brother.....

"wtf" will get you like 3 responses.....
 
Last edited:
what other kind of info do you need vaccum is plugged have it hooked to a run tank cant get the banks to even out or really even get close its like i run out of adjustment is the only way i know how to explain it i know i didnt get screw up my adjustment on the valves is there anything inside the carbs besides the cv boots that could cause this cause they look decent thanks again
 
Did you bench sync them first? If two of those throttle valves are stuck partially open it could cause the problem you're seeing. It's a lot easier to see what's going on when it's off the bike.

More likely you have a air leak somewhere. Bad boots or o-rings. I suppose it's also possible the carbs were not correctly re-mounted and the adjustments are not properly aligned.
 
No i did not bench sinc the carbs the bike was running before hand just going do a tune up on it as far as i know the carbs havent been apart for the linkage to be outta whack where else could air be gitting into at that would cause the end carbs to sinc up and the middle carbs to sinc up but not equal out the two
 
Those bikes have an o-rings behind the intake boot. If the intake is not sealed you won't get even numbers.
If you're sure the intake is sealed do a bench sync first.
 
boots

boots

the boots are part metal and part rubber. There has to be a good bond between the two materials. It might have broken loose when you removed the carbs. Check that, too. Also look closely to make sure none of the boots are 'folded' and not actually sealing properly around the carb.
 
problem solved turned out my linkage was slightly loose i guess not allowing all of the ajustment
 
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