• 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.

gs450l help

  • Thread starter Thread starter Guest
  • Start date Start date
G

Guest

Guest
Ok heres what my issue is. I just rebuilt the carbs, like steve showed me. bike starts runs great, till you ride for a few minutes then it wants to die. What in the world could be causing this?
 
First...did you change the carb boot O rings?
Second...how is your choke?
 
kparkfan said:
Ok heres what my issue is. I just rebuilt the carbs, like steve showed me. bike starts runs great, till you ride for a few minutes then it wants to die. What in the world could be causing this?
Click to expand...

Fuel line or pickup plugged up, vacuum operated petcock gone bad? Possibly open just enough to fill the carb bowls while sitting (assume you have it in the prime position on the petcock for that) and start and run, but once the bowls empty and can't be refilled fast enough she dies. Have you tried running it in the prime position instead of the "on"
 
kparkfan said:
...bike starts runs great, till you ride for a few minutes then it wants to die. What in the world could be causing this?
Click to expand...

Happens to my 650 on occasion. The in-line fuel filter gets plugged because the fuel tank is VERY rusted inside (hence, the filter).

Sounds like a "lack of fuel" issue - as WesV stated, check your petcock, fuel line, and fuel filter for blockage. If the petcock is original, I would strongly suggest replacing it with a new OEM one (about $45), just a matter of time before it craps the bed...

Good luck

mike
 
petcock is brand new as is the fuel line. it only dies when im at a stop. could it be because i dont have the idle set right?
 
Here's one for you ... assuming you have two keys (or a different key for the gas cap), ride the bike till it wants to die. Then without shutting off the bike open the gas cap and see if you hear a rush of air into the tank and/or notice the bike begin to run properly again. If so, the gas cap vent is clogged and needs to be attended to.

The theory is: As you ride along the fuel is leaving the tank faster than air can get in to replace it, and a vacuum is created which keeps fuel from freely flowing to the carbs, thus starving the engine of fuel.

Good luck with it!

Regards,
 
kparkfan said:
petcock is brand new as is the fuel line. it only dies when im at a stop. could it be because i dont have the idle set right?
Click to expand...

You said earlier the bike starts great, does it idle well after warming ? Does it only die when you're riding, but runs/idles OK when just sitting there on the centerstand?

Sorry for the 20 questions, just trying to isolate when the problem occurs; is it intemittent or happens only when you are driving it?

Is there an airfilter & unobstructed air box inlet?? Is the air filter clean?

mike
 
when its warm it seems to idle to low. as long as im riding it will run fine. when im at a stop sign it wants to die if im not giving it gas. if that makes any sense?
 
Let's go back to basics. After you cleaned your carbs like Steve showed you, did you set the mixture screw to optimize the idle? Do a carb sync?

If all that was good, have you tried increasing the idle speed by simply turning the idle speed adjustment knob?

I'm not too familiar with 450L model (year?), but I would guess it should idle around 1100 rpm. After the choke is off & the bike is warm, will it idle smoothly at that speed?

If not, turn the knob clockwise to increase the idle speed - then try riding around... (the knob is located under the back of the carbs on the airbox side, it has a large round bronze head).

good luck

mike
 
You must log in or register to reply here.
Back
Top