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2003 YZ 250F Oil spewwwing out of top drain hose?

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I have a feeling the oil ring is letting "blow by" occur....however, I've never worked on a four stroke...When it's running, oil flows from the long tube located next to the spark plug and runs all the way under bike?? Any help would be much appreciated!

Thanks! Mike

2003 YZ 250F :thumbsup:

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You have too much oil in there, make sure you check the oil after the engine has warmed up (2-5 minutes). Put the dip stick in but don't tighten it down then check the oil level.

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