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I got the idle screws all the way out already and they are no longer effecting the slide but the idle rpm is still around 2900-3000 rpm. The PTO is currently unloaded (nothing attached to it). What can be the reasons for such a behaviour and what can be done?

  • Re: 582 idle rpm is too high

    by » 11 months ago


    I am not sure why you want to idle it lower without a load on it but if it is a must do then you need to start with a slide that has less of a cutout. That will require changing all of the other metering components to match the slide. 


  • Re: 582 idle rpm is too high

    by » 11 months ago


    I made the above statement assuming that the 582 is installed in an aircraft as it was designed for. That you have the cables adjusted with freeplay at idle and that you are jetted according to the Rotax charts. If all is as it should be then richening the idle circuit will probably reduce the idle rpm. 


  • Re: 582 idle rpm is too high

    by » 11 months ago


    Thanks Dennis. Yes, all the parts and jetting is original and according to Rotax guidelines. I dont necessarily want it to idle lower without load but I wasn't sure that with load the idle will decrease... The engine is installed in a dune buggy. When I attach the CVT , on neutral gear the idle will drop due to this load?


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