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2004 outboard bf115

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Old Oct 6, 2022 | 10:05 PM
  #1  
bacon1910's Avatar
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Default 2004 outboard bf115

End of season I notice a small amount of oil dripping down the back of my motor where the cowling meets the lower unit when trimming up. Took off the cowling and noticed oil up and down the back of the engine from the top down, thin layer of oil by each plug (not coming out of plugs, just leaking down past them). It appears to be coming from the very top of the engine. It pooled in a crevasse at the top on both sides of the engine. See pics, any ideas? It appears to be originating under the plastic cover at the top.

pooling oil under the right bolt. Basically between both bolts

partially panned in


oil pooling above top manifold, both sides of engine

this is where it is pooling

oil pooling above top manifold, both sides of engine


partially panned in

pooling oil under the right bolt. Basically between both bolts

this is where it is pooling
 

Last edited by bacon1910; Oct 6, 2022 at 10:08 PM.
Old Oct 7, 2022 | 01:24 PM
  #2  
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How many hours on that?
You may need to tear it down and re-seal it all.
 
Old Oct 7, 2022 | 10:28 PM
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bacon1910's Avatar
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Originally Posted by grcauto
How many hours on that?
You may need to tear it down and re-seal it all.
probably 1300 hours
 
Old Oct 13, 2022 | 09:02 PM
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welcome to the forum. try cleaning it and blowing some baking soda around the area of suspected leak and run the engine a little.
 
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