Antifreeze getting into crankcase.. Why??

[SHIFTx450]

Can anyone tell me why antifreeze would get into the Crankcase, on the motor side (not tranny) ??? It's coming in pretty fast. Theres no noticable power loss or anything, the bike starts first kick and rips. 04 trx 450r. Thanks.

[d3ktrix]

Bad cylinder base gasket is my guess.

[Scro]

I agree. When this happens, sometimes it looks wet just below the base gasket on the cases.

[SHIFTx450]

Yea, that's my assumption. Dude is on his way to get a top end gasket set now. Thanks!!