yz 450f oil in water

1 reply to this topic
  • bugman54

Posted June 11, 2010 - 03:31 PM


2004 450 ran perfect last weekend this week after 1 lap motor wouldnt idle sounded bad now has oil in radiators. this is on my sons bike 700 miles away any thoughts would be apreciated .thanx

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  • grayracer513

Posted June 11, 2010 - 07:24 PM


  • Head gasket
  • Seal at the base gasket
  • Seal at the right crankcase cover water passage

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