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I have never been a fan of heat cycling and engine. There is not the proper load applied to seat seat the rings correctly.
The cyclinder hatch only last so long. If you wear the hatch flat before the rings seat, they you will have blow by. Now, also with heat cycling, I dont ever like to see the heat light come on.
I would much rather have the sled warm up really well, then put a few light miles on the sled (under half throttle), then give it some good WOT bursts. You are not going to seat the rings at idle... no matter how hot it gets.
I would also have to agree that the sled ingested something. I am interested in seeing pics of those cylinders though. Hope your dealer will comply.
I agree.