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Water escapes from the screws connecting the lower unit - how to fix?

sittingduck

New member
https://youtu.be/JXJkPCNbr3s

I bought an old outboard that I'm fixing up - a 2-stroke Yamaha 30 HP. Compression is fine, but not running on all cylinders but I think a card cleanup will take care of that. However, when running the engine, water comes out of 2 of the screws connecting the lower unit to the top unit. How big of a problem is this, and what's the remedy?

You can see a video of the water leakage here: https://youtu.be/JXJkPCNbr3s

Thanks in advance.
 
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