My first question is, how low is the engine oil. If you filled it all the way up to the ridge on the dipstick, you probably over filled it. I found, if it is over halfway to the ridge and you ride it hard (high RPMs) it will push oil up thru the breather and end up in the air box. There is a little bubble on the bottom of the airboox. if you can get it off, you can drain the air-box without removing it. It would be best to remove and clean it though.
I have no ideal how you could have got oil in the coolant, unless it was in the coolant you added before you rode.
They have a breather up-date that is supposed to fix the first problem. I did the up-date on my Moto but, in my opinion keeping the oil level correct (do a search there are topics on finding the correct level) is more important (Moto still pushed oil into the air filter after the up-date, allthough not as bad)
One other thing that causes oil to pump out is if you roll it over and it stays running
oil leak
Engine, intake, exhaust, EFI, chain, sprockets, etc.
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