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bakirkwold
Idle issue
On my 450. It will be idling at 1,100 or so then I will rev it to about 3 or 4 K then when i let off the throttle it dips back 800 or 900 and i have to give it a bit of gas just a little so come back to 1,100. Whats going on? Any ideas? The air screws are at 1 turn out.Tags: None
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Forum LongTimerGSResource Superstar
Past Site Supporter
Super Site Supporter- Mar 2006
- 35601
- Torrance, CA
What maintenance have you performed? Detail the condition of the bike so we can help guide you.Ed
To measure is to know.
Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182
Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846
Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf
KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-Resurrection
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bakirkwold
Pretty much everything. Carbs are clean and everything. The floats are good and set right. http://s1116.photobucket.com/albums/...20L%20project/
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bakirkwold
one thing I forgot is that that carbs haven't been synched. And as far as I know they never have.
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Forum LongTimerGSResource Superstar
Past Site Supporter
Super Site Supporter- Mar 2006
- 35601
- Torrance, CA
Assuming you changed the intake boot O-rings, and the boots are in good shape, I'd try 2.5 turns on the idle mixture pilot screws. And sync the carbs.
A getto sync can be performed by jacking up the idle to 2000 rpm or so and then pull off one spark plug at a time. Adjust the sync until the idle drops the same amount with the bike running on one cylinder.
This technique won't work if you haven't adjusted the valves; you need an engine that's generally solid.
Good luckEd
To measure is to know.
Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182
Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846
Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf
KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-Resurrection
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Suzuki_Don
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bakirkwold
Alright. What's the ideal idle speed? And is turning the screw out make it leaner? And one other thing. The plugs are a bit on the white side. Any ideas? The O rings look good but I haven't replaced them. I did sand down te carb boots because they where a little bit warped. I also do not have the copper washers for the synch cab tube. I used some different ones. Maybe it's leaking there? I know I am talking out of my butt but the more into the better.
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