• 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.

Bad coil

  • Thread starter Thread starter Giblet
  • Start date Start date
G

Giblet

Guest
My GK has developed a miss at idle #-oand sometimes at speed. I checked the primary & secondary windings on the coils. Per the factory manual, primary is supposed to be somewhere in the neighborhood of 3-5 ohms (mine are 7ohms #1/#4 & 9 ohms #2/#3). Secondary is supposed to be 30-40k ohms. #1/#4 is 35k and #2/#3 is 109k. I get approx 35 millivolt from the igniter to the primary coil on #2/#3 (#1/#4 is close to 12V). The signal generator also ohms out good per the factory manual at 141 ohms on both pairs. Spec say 140-200 ohms. I pretty much know I'll be replacing the OEM coil(s), which are only 2 or 3 years old, which I assume I'll have to do to properly test the igniter. I'm wondering :-k if I should just chuck the whole mess and get a complete new ignition system and if Z1enterprises could set me up with everything I need. Any suggestions or advice will be appreciated. Whatever it costs is still cheaper than a new bike =D> .
 
I have a '82GS450 that had an ignition problem after the R/R went bad. Once I checked the signal generator and the ignitor and both appeared good, I checked the resistances of the coils and got readings in or close to spec. I am convinced coils need to be checked under load, they can be bad when the resistance readings are in or close to spec. I took the coils to a local Suzuki dealer who had a coil checker. The test took about 5 minutes and turned out both coils were bad. I replaced both coils with OEM parts (expensive, but known to be good) and the bike runs well now. Good luck!
 
Dick, just stumbled onto your post http://www.thegsresources.com/_forum/showthread.php?t=98300&highlight=coil+resistance and got a couple of questions answered about how the ignition system functions. Just wanted to say "Thanks!". I may not have a big problem after all. The miss was gone this AM so something I unplugged/plugged Monday night must have fixed it. I'm going to completely replace the wires from the igniter to the coils/starter switch and see if it stays gone.
 
The coils on my '82 GS450 caused intermittent failure of the ignition system for a while. Then I could not get the engine started at all and I got serious about finding the cause. The key for me was to have the coils tested with appropriate equipment at a local Suzuki dealership. I'm glad the info was helpful.
DickV
 
You must log in or register to reply here.
Back
Top