Reply To: Rotax FR125 engine temps question

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August 22, 2013 at 5:39 pm #7821
CROSS
Participant

I wait until I get to 120 to run it hard. My Mychron goes off at 155, by the time I really notice it it is closer to 160. Even when running in over 100 degree heat the hottest I let my engine get was mid to low 160s. Still never had to stop before finishing a heat race.