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Help me Kill the Rising Idle!!!

Started by jtenright, August 03, 2004, 10:33:09 PM

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jtenright

It has been hapening more and more lately
it used to always do it after I use the choke in the morning, now it happens at every stoplight

what is the prob? clean carbs? adjust carbs? cables? timing?

I have been dropping the idle by using teh brakes and engine to slow her down

I am sick of it and want her running like new!!!\

thanks guys
James-
93 GS500
BT45s/Prog. Springs/Kat 600 shock/Sinrath handlebar/and other small mods
1970 Honda CT90
http://www.geocities.com/jtea4qms/

Kerry

You've already tried adjusting the idle down with the knob between the carbs?

If so, then I suggest a carb cleaning.  It doesn't take a very big speck to block fuel flow through those pilot jets.  (And too-little fuel in the mix means lean, which can cause the overreving.)

Another pre-disassembly idea is to try the WD-40 test, and see of the revs go up even more because of an intake leak.

Yellow 1999 GS500E
Kerry's Suzuki GS500 Page

pantablo

Sounds like your carbs are prime candidates for rejetting. Has that ever been done? Lean condition due to jetting for EPA causes the rising idle. I used to do the same thing with the brakes and clutch to lower it. I never rejetted but adjusted the idle down a bit low to compensate.

If you want to rejet it yourself:

-->JeffD's write up<--

-->Mike's  write up<--
Pablo-
http://pantablo500.tripod.com/
www.pma-architect.com


Quote from: makenzie71 on August 21, 2006, 09:47:40 PM...not like normal sex, either...like sex with chicks.

mp183

I had a problem with idle, with the following symptoms.

It started like this.
Would run ok but in traffic the idel would shoot up to 4,000 rpm and remain there.  I would lower it with the idle adjustment screw and it would drop.  Would be ok for balance of the trip.  
Next day the idle would be too low.   I would raise it.   After about 30 minutes in traffic it would shoot up again.   I would lower it and  the whole thing would start all over.  After a while I just left the idle very low and would just my hand on the throttle to keep it from dying.
After a period of time the bike was hard to start.   It would start off on one cylinder for about 3 seconds.
I had the bike re-jetted but it turned out to be the valves.
I never expected that to be the case but a couple of other guys had the same problem with the same solution.

Try to give us a more detailed description of your symptoms.
2002 GS500
2004 V-Strom 650 
is it time to check the valves?
2004 KLR250.

i3randon12

i also had the same problem!  MINE WAS THE EASIEST T O FIX


give it time....     it will go away                      MINE DID

lol dont trust it though            i just got loucky because im lazy
when u come to a stop...  suck ur thumb

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