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Strange Carburation

  • Thread starter Thread starter Arthur
  • Start date Start date
A

Arthur

Guest
Hi,

my gs100gk 1982, presents some dificulties to start, i have to accelrate it for 5 min more or less, when it is cold...

and more the bike became hot, the ralent? is getting higher, like it is accelerate alone (itself)...

i really dont understand.... i have the original bs34ss carbs... but no air filter...

i hope someone could help me, tks
 
You probably have a vacuum leak. The most likely culprit is the O rings behind the carb mounts. Start it and spray some wd40 around the base of the boots and see if that makes a difference, a leak in the boots that is shot with wd will rise the engine's rpm.

V
 
Not having a air filter will cause your problems.
Are you running pods?
That will cause the same problem, but can be adjusted.
If you have the original airbox (attached to carbs) and filter box, buy a air filter.
If not you will continue to have problems and running like that will eventually cause more and expensive problems.

You will find many people with the same questions asked on this forum.
As you see we like to help.

Here is a link from a members site.
Welcome to BikeCliff's Website



It will help you to become familiar with this site to maintain your bike.
The carb cleaning link and the valve adjustments pdf here would be top of the list to read.
Another link to pay attention to.
When you are prepared to do these things or need some more help be sure to ask us all some more questions as many of us look forward to helping where we can.
 
Is the air box attached and the filter missing, or is the air box missing and the carburetors open to free air? A little more history on the bike or some pictures would be helpful. Are you using the stock fuel petcock, and is the vacuum line hooked up to the vacuum port? Do you know the history of the carburetors and have they ever been rebuilt? It is common to have to rebuild them and replace the O-rings and often the carburetor boots to the motor have lost their pliability and need to be replaced or at the least replace their O-rings. Have the valves been adjusted? The more information you can give, the better information you will get. Welcome to the forum!
 
Last edited:
Tks to all of you for help

i have pods but i think i will have to rebuild the carbs they sems to be a little old
i already clean them up but a rebuild will be necesary
and check th vaccum line but what is it???
And where can i find the kit for rebuilt for a fair price (need to ship to mexico...)
Or maybe try to find better carbs and change?

Tks again friends
 
Dorry i forgot

i just bought a air filter and box from a gs 850 so i will put it...
 
Arthur said:
Dorry i forgot

i just bought a air filter and box from a gs 850 so i will put it...
Click to expand...

If it fits that's a good idea

You need to go to the website and go thru the carb cleaning tutorial and the top 10 Newbie mistakes.

Once you've done all the maintenance, you have a base line to work from
 
tks to all i going to work on this

i will advise u all

seriously i appreciate the time and the help u provide, that amazing people like u all!
 
sorry i forgot a question

what size of jets do u recommend for this (amazing) bike (GS1100GK 1982 - mikuni BS34 carbs)?

tks
 
Hey arthur.

The carb spec sheet is floating around on bikecliffs site id start with those.

Ive been working on my gs's for about 5years and i still go to that site first. cheers.
 
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