Here you can leave your comments and requests for support. Or you can directly write to the . Or you can send us a message directly from the Jetting for Rotax Max Evo Kart application (look at bottom on the Results tab for letter icon).

We will try to help you as quickly as possible.


  1. Hey there i’m for the first time here. I found this board and I find It truly useful & it helped me out a lot. I hope to give something back and aid others like you aided me. many thanks

  2. Boa tarde versão para android existe

    1. Hello. No, but we are working on it, it will appear soon (we think that within a month).

      Olá. Não, mas estamos trabalhando nisso, ele aparecerá em breve (pensamos que dentro de um mês).


    Hi .. i have a rotax max evo 2017 . how to jet it??
    i have 120 main jet and 2 turns of air now..

    1. Hello. It looks rather leaner for us. But it depends on temperature, altitude, humidity, etc. Without this data, we cannot give any advice …

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