Question about 2001 KTM Exc-Racing E 520

1 Answer

Hi idle hi i just brought a 2000 ktm 520.i road it for ten minutes when i test road it and it was fine.then the next day i road it for half an hour on the road and same thing it was fine.the that afternoon i went to the wattagons with some mates.we started on some fire trails not giving it to much ,about half hor into it we stoped at an intersection and i noticed that my idle was realy high .we did a little clean on the carbee and its still playing up.i have no idea if any one could help it would be appreciated

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  • johnallen698 Feb 09, 2009

    thanx mate ill do that and let you know

  • johnallen698 Feb 09, 2009

    hay mate no luck the idle didnt change at all still high. i was thinkin does the 520 hav an auto hot start?if so could this be the problem?nd where is it?

  • johnallen698 Feb 10, 2009

    hay mate i think your right theres no leek the cables are free and i think i know witch sensor you mean .i took it off and ther was a bit of gunk in it .i cleaned it and put it back on no difference.so ill need to test it.sorry to be a pain in the *** but i tryed to download the manual but my stupid computer wont reconize the file is there any way you can email it to me or something.

    email johnallen6981@live.com.au

    cheers for all your help

  • maddog011 May 11, 2010

    have you tried checking all the linkages?

    or turning down the adjuster for the carby?

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Hi Johnallen698
High idle often relates to it leaning out from sucking air into the inlet manifold. You can find the leak by spraying a CRC about the intake, the CRC will be sucked into the crack/opening and you will notice a change in revs when you find the spot it is leaking. Check for cracks Make sure the manifold is bolted up correctly, check gaskets for failure. Happy to talk to you more about the problem. Good luck with sorting it. A FixYa vote is a great reward for my effort to help you. Cheers. 
regards robotek

Posted on Feb 08, 2009

  • 2 more comments 
  • Graeme Ross
    Graeme Ross Feb 09, 2009

    Hi John, you can download a manual from here. I would be checking things like maybe the throttle cable getting held up when it is hot, Make sure it is well lubed. Few questions


    1. is it returning fully home at the idle adjustment screw when hot. 

    2.  How high does it get(revs).  

    3. What happens when you blip the throttle, does it return immediately to the high idle point, or slowly come back down again. 

    4.  If you adjust the idle speed when when revving high(hot) does it come back down to tick over again and stay there?
    You can download a manual for the moto here.



    I am still downloading a copy for myself. Will post any more suggestions I have when I get to looking at it :)


    regards
    robotek


    Everything points to a change in mixture for it to idle high.

  • Graeme Ross
    Graeme Ross Feb 09, 2009

    Just had a readup of the manual, and the bike has a throttle valve sensor that may be playing up. Check the manual for details. There is instruction on how to check it with a multi meter. Has a good guide  for stripping, overhauling and setting up the carby. Think you gonna have to do this to get to the bottom of the problem.  Check the engine manual for details. 

  • Graeme Ross
    Graeme Ross Feb 10, 2009

    Hey John, uploading the bit of the manual you need now. 12 meg file so I hope you get it. 


    The whole manual I linked you to is a winrar file, try right clicking on it and "extracting" it. Download a trail version to boot up on your PC from here. Just click cancel when it asks you to upgrade :)

  • Graeme Ross
    Graeme Ross Feb 10, 2009

    meh, my email server is not liking the size of the file. See how you get on downloading and extracting the complete mamual. Will be worth your while. 

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