Home Forums Shifter Karts ICC/KZ exhaust temp?

This topic contains 4 replies, has 4 voices, and was last updated by  William Martin 1 year, 3 months ago.

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  • #44718

    Jeremy Baldi
    Participant

    I know exhaust temp depends on where the exhaust temp sensor is placed  and how far from piston it is.  It also depends on what cylinder, timing, gas and countless other variables on each individual engine.  But is there maxim you would every want to see on a ICC/KZ engine?  The one rule of thumb I have heard is 1200º F is what you shot for.  But depending on the different variables I know on a particular engine it could be different.  Does anyone run theirs much hotter than that?  Is there a temp that will defiantly be to hot no matter what you are running?

    Jeremy Baldi

    TM K9b F-125 Laydown

    #44738

    Matt Dixon
    Participant

    All motors are different, we had 2 motors and one ran best at 1080 and the other at 1150. As for how hot is too hot? Well aluminum melts just over 1300…

    94y

    #44741

    Jeremy Baldi
    Participant

    Yeah that is my concern.  On my TM K9b my one cylinder seems to like to run really hot.  I have gone up to 1250º even seen 1275º F.  And it seems like I could lean it down even more because spark plug still seems pretty wet.  But I am concerned with going any leaner with the exhaust temps getting that high.  Didn’t know if anyone else ever got their exhaust temps that high.

    Jeremy Baldi

    TM K9b F-125 Laydown

    #67646

    Derek Lodato
    Participant

    Just run a little richer and temps will come down

    #67836

    William Martin
    Participant

    Hi Jeremy,

     

    Check your ignition advance. Too little and it will be burning in the exhaust, looks really hot on the egt, but you can still have a wet plug.

    regards,

    Bill

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