CBR 1100XX "Super Blackbird" 1998 - 2003 CBR 1000XX

please help 98 bird leaking oil from holes

  #1  
Old 04-05-2011, 09:52 AM
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Default please help 98 bird leaking oil from holes

hey guys i went from 90 1000f to 98 bird 22,000 miles checked valve clearances to ease my mind, put back together and is leaking oil from #4, there is a hole under exhaust on all cylinders why is it leaking and what are those holes? just below head gasket
 
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  #2  
Old 04-05-2011, 11:52 AM
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Simple, potentially looks like valve cover gasket is gone and is dripping oil down the head
or even possibly a blown head gasket to me ..... don't ride it until it's resolved
 

Last edited by Sprock; 04-05-2011 at 11:55 AM.
  #3  
Old 04-09-2011, 12:03 PM
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Yep - cam cover gasket.

Quite common for people to seat them incorrectly when replacing the cam cover after a valve check

The small drain holes are to allow any water to escape from the spark plug holes.
 
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