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My Rotax 912ULS in a Kappa KP5 gets hot in about five minutes at full power with Cyl 1 and 2 EGT going into yellow.  4800 static rpm at start drops to 4500.  The plane has been parked since October 2020 and operated normally on its last flight.  A recent flight around the airport ended with high EGT and rough running.  A subsequent ground runup got the same results.

Everything is clean and normal and I am out of ideas on where to look.

 

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