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Hi all. I've got a '95 ex500 that idles normally (1200-1400) when cold, but once the engine warms up the idle increases to about 3100rpm. Any suggestions on cause or solution? Thanks.
 

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So what happens when you reduce your idle with the little black flower shaped knob on your left side?

You may have your idle just set to high.
 

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your idle screw needs to be adjusted down, maybe to 800-100 cold and 1400-1600 hot since you seem to run it a little high
 

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hope you'll continue to post...not just when you have problems :)
 

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not to steel the post but my 90 ex500 idels way to high when cold 4000rpm ( if i can even get it to stay on the choke) and when its warm 2000rpm ive tryed to to lower it but it sounds really rough and will die after a while of jsut sitting there.... am i running way to lean???
 

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try starting the bike with the choke if you need to then going to no choke really quickly, this was just in my case but it occasionally needed a little help getting started but didn't need the additional choke help to idle. Run your bike into reserve and ride a little bit through it and see if you can reduce the mixture then and have it idle nicely.

Stew
 

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AlanInVegas said:
Hi all. I've got a '95 ex500 that idles normally (1200-1400) when cold, but once the engine warms up the idle increases to about 3100rpm. Any suggestions on cause or solution? Thanks.
maybe a air leak somewhere (rubber cap cracked/missing etc.) maybe your carbs are NOT seated completely, maybe your choke is hangin open a little bit.

71_307 said:
not to steal the post but my 90 ex500 idles way to high when cold 4000rpm ( if i can even get it to stay on the choke) and when its warm 2000rpm ive tried to to lower it but it sounds really rough and will die after a while of just sitting there.... am i running way to lean???
sounds like you may have the SAME problems as above.
 
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