GZ 250 Forums - 2005 GZ 250 idling problem

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GZ 250 Forums (http://www.gz250bike.com/forum/index.php)

- Troubleshooting (http://www.gz250bike.com/forum/forumdisplay.php?f=19)

- - 2005 GZ 250 idling problem (http://www.gz250bike.com/forum/showthread.php?t=7121)

fairweatherrider

08-15-2014 12:00 PM

Well the carb rebuild kit didn't do the trick. I'll wait to hear from Jonathan or Alantf. My buddy keeps telling me to just buy a new carb but they're not cheap.

fairweatherrider

08-15-2014 12:04 PM

Quote:

Originally Posted by alantf (Post 81048)

With the idle - some people set it too low. With the engine HOT, it should be between 1200 and 1400 RPM. If it's set too low, the bike will try to shut off when you release the throttle. Is this what you mean, or is it entirely different? When you're stationary, out of gear, there should be no difference with the clutch lever in or out.

When I set the idle it sounds perfect. After a few minutes it just speeds up to about triple the correct idle speed without me touching anything.Then I turn off the ignition and restart and it's ok again.

alantf

08-15-2014 12:14 PM

I don't know much about carbs (my knowledge is mainly electrical), but, do you think the throttle slide may be sticking open, after you've accelerated away?

raul10141964

08-15-2014 05:33 PM

try to set the pilot screw be twin 2.5 and 3 turns from the close position

fairweatherrider

08-15-2014 06:32 PM

Quote:

Originally Posted by raul10141964 (Post 81488)

try to set the pilot screw be twin 2.5 and 3 turns from the close position

Where is that screw?

fairweatherrider

08-15-2014 06:35 PM

Quote:

Originally Posted by raul10141964 (Post 81488)

try to set the pilot screw be twin 2.5 and 3 turns from the close position

Is that the screw with the white knob?

fairweatherrider

08-15-2014 06:39 PM

Quote:

Originally Posted by alantf (Post 81472)

I don't know much about carbs (my knowledge is mainly electrical), but, do you think the throttle slide may be sticking open, after you've accelerated away?

That's a possibility but how would I know that? When I removed the carb to do the repair kit I sprayed the inside of the carb with carb cleaner. Would that free it?

raul10141964

08-15-2014 07:02 PM

1 Attachment(s)

pilot screw (pilot jet)

fairweatherrider

08-15-2014 07:14 PM

Quote:

Originally Posted by raul10141964 (Post 81500)

pilot screw (pilot jet)

Thanks Raul. I never knew there was a screw there. I'll check that out in the morning. I hope I can adjust it without removing the carb, maybe using a mirror if I have to. I wish I knew about this before when I had the carb out to do the repair kit.

raul10141964

08-15-2014 07:17 PM

thees 2 pdf are a good reading

adjusting the carburetor
https://onedrive.live.com/view.aspx?...LXqjwWYP15aWi8

mikuni carb theory
https://onedrive.live.com/view.aspx?...EfGAdFO4PPypws

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