• 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.

Black-dry plugs

  • Thread starter Thread starter gekkechef
  • Start date Start date
G

gekkechef

Guest
Hello again,
I check my spare plugs yesterday, and they were black and dry, all 4 of them, #1 was less, lets say 1/2 way to normal (looking at the pictures on the haynes manual)
I read last night a lot about the topic in the forum, but before I start turning screws in the carbs, I would like to hear your suggestions, perhaps the ignition ??
Any ideas about how can I troubleshoot this??
My GS 1000 L does about 12 to 13 km with a liter and I use 98 octanes, I think she is very thirsty (like me......:oops: ) I just use 5 octanes lager :-D
Thanks in advance guys
 
Same Problem here

Same Problem here

gekkechef said:
Hello again,
I check my spare plugs yesterday, and they were black and dry, all 4 of them, #1 was less, lets say 1/2 way to normal (looking at the pictures on the haynes manual)
I read last night a lot about the topic in the forum, but before I start turning screws in the carbs, I would like to hear your suggestions, perhaps the ignition ??
Any ideas about how can I troubleshoot this??
My GS 1000 L does about 12 to 13 km with a liter and I use 98 octanes, I think she is very thirsty (like me......:oops: ) I just use 5 octanes lager :-D
Thanks in advance guys
Click to expand...

Hi gekkechef, I have the same problem with my bike, may be worst (the sparks plugs are black, and after some milles, some of them stop working.
I could solve it for a while, turning the front screws of the carbs that let you the black spark plugs clock counter wise. Also check with the specs of the bike if you are using the correct spark plugs (in 550 are NGK B8ES) and check if it performs better taking out the FM filters that are inside the spark plug connector (those are kinda fusibles, little tube-shaped stuff, you have to elongate the springs after removing them).
Also, check the air filter (change the foam if it is dirty).
Greetings
Emanuel
 
black dry plugs

black dry plugs

Thanks emanuel for the sugestions.
I notice after cleaning the plugs yesterday, the cold start was this morning at 2c outside temperature instant.
Then I think the mix is too rich.
I am also from Baires, leaving in Holland for 18 years now.
Nice to see guys down there still loving the old stuff I use to wonder as a teenager.
greetzz
 
Accoring to my math, you are getting 34-36 MPG. This is not too bad, depending on how hard you drive your bike. I get 38-40 on my unmodified 850.

The question is, which circuit(s) in your carbs are causing the black sooty plugs? Many forum members recommend 'plug chops', that is, running the bike at speed, then stopping and quickly shutting off the engine to look at the plugs. The idea is to let the bike idle as little as possible. Run the bike at 60-70 MPH for 5 minutes and look at the plugs. If they look tan and clean, your problem is in the idle or off-idle circuits. If they still look black/sooty, the issue is in the main circuits.

If you can determine which circuit is causing this, it will help other forum members fix the condition.
 
flyingace said:
Accoring to my math, you are getting 34-36 MPG. This is not too bad, depending on how hard you drive your bike. I get 38-40 on my unmodified 850.

The question is, which circuit(s) in your carbs are causing the black sooty plugs? Many forum members recommend 'plug chops', that is, running the bike at speed, then stopping and quickly shutting off the engine to look at the plugs. The idea is to let the bike idle as little as possible. Run the bike at 60-70 MPH for 5 minutes and look at the plugs. If they look tan and clean, your problem is in the idle or off-idle circuits. If they still look black/sooty, the issue is in the main circuits.

If you can determine which circuit is causing this, it will help other forum members fix the condition.
Click to expand...



Thanks for your clear troubleshooting advice.
I did not think about doing that.
Clever man.
I will certainly do so and tomorrow hope to post how it went
 
I wish I could take credit - I'm just passing on what I've read here. It's amazing what you can learn reading these posts.
 
You must log in or register to reply here.
Back
Top