• Required reading for all forum users!!!

    Welcome!
    Register to access the full functionality of the GSResources forum. Until you register and activate your account you will not have full forum access, nor will you be able to post or reply to messages.

    A note to new registrants...
    All new forum registrations must be activated via email before you have full access to the forum.

    A Special Note about Email accounts!
    DO NOT SIGN UP USING hotmail, outlook, gmx, sbcglobal, att, bellsouth or email.com. They delete our forum signup emails.

    A note to old forum members...
    I receive numerous requests from people who can no longer log in because their accounts were deleted. As mentioned in the forum FAQ, user accounts are deleted if you haven't logged in for the past 6 months. If you can't log in, then create a new forum account. If you don't get an error message, then check your email account for an activation message. If you get a message stating that the email address is already in use, then your account still exists so follow the instructions in the forum FAQ for resetting your password.

    Have you forgotten your password or have a new email address? Then read the forum FAQ for details on how to reset it.

    Any email requests for "can't log in anymore" problems or "lost my password" problems will be deleted. Read the forum FAQ and follow the instructions there - that's what we have one for...

  • Returning Visitors

    If you are a returning visitor who never received your confirmation email, then odds are your email provider is blockinig emails from our server. The only thing that can be done to get around this is you will have to try creating another forum account using an email address from another domain.

    If you are a returning visitor to the forum and can't log in using your old forum name and password but used to be able to then chances are your account is deleted. Purges of the databases are done regularly. You will have to create a new forum account and you should be all set.

Syncing carbs question

  • Thread starter Thread starter djscoutmaster
  • Start date Start date
D

djscoutmaster

Guest
I have a 80 gs759e I'm using the Morton carbtune to balance my newly rebuild carbs. I noticed that at idle they don't register well they seem to oscillate a but. So I had to set the idle to 2k to get a consistent reading to balance them. It's running alot smoother but I feltnthe process didn't go as much to the recommended procedure asnit should have. Is this normal?
 
Setting the sync at 2000 RPM is just a little above what is suggested in the Suzuki service manual. They suggest 1750 RPM.

I had adjusted many, many sets of carbs before I saw that suggestion. I have always done it at, or just barely above normal idle, about 11-1200 RPM.

Now that you have a rough idea how much smoother it can be with the carbs synched, try lowering your idle speed back to "normal" and verify that they are still in sync.

.
 
at that idle i dont seem to get any reading with the tool....
 
Hi,

Did you plug the vacuum pickup from the #2 carburetor?

reassembly040310_19.jpg


In the photo above, the vacuum line from the #2 carb is plugged with a golf tee.

Are the intake boots and O-rings in good shape? Is the airbox installed?


Thank you for your indulgence,

BassCliff
 
At the time of syncing I clamped it with vis grips but now a have a valcume plug. I'm thinking of trying again and seeing what I get.
 
I think syncing at 2K or 3 K is fine beacuse you are actually at those RPM's most of the time you are riding.

however too low of idle vacuum is a symptom of cams off 1 tooth

I do not use the tool brand you mentioned but it may be for bigger engines -

I do an idle sync -- re adjust the mixture screws for highest idle -- check sync at 2K~3K (checking for inner linkage wear/leakage) re-set if needed -- re check at idle if they are different I choose

sync at 3K or idle? running good at 30 mph or that sweet harmonic idle tone?

neither is wrong -- your bike your choice.

I get best gas mileage when my bike is synced at 3K
 
and put a fan on it and use gloves because the engine has to be fully hot for it to come out right.
 
trippivot said:
and put a fan on it and use gloves because the engine has to be fully hot for it to come out right.
Click to expand...

TRIP what type of gloves do you find are best to use. I always wondered why Suzuki didn't put the vacuum screws in the top of the intake boots instead of underneath as they have done. The #2 carb is particularly difficult to fit and remove the brass fitting for the carb sync, the starter motor gets in the way on that side. The other side is OK.
 
Bass Pro Shop/ Menards -- The super soft deer skin ones that has never gotten wet. After they get wet they get stiffer and it is harder to hold small threaded fasteners. I rotate them from perfect-used-riding-dirty workers and finally - toss. Having had road rash on my palms and worse-just short of losing fingers. I put huge emphasis on wearing gloves in many situations.

Mechanix has a neoprene/suede that are pretty good

I've seen magnetic tiped finger gloves advertized on the Power Block; 2 Guy's Garage, GEARZ, or Horsepower I forget which.
 
You must log in or register to reply here.
Back
Top