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post #2 of Old 07-21-2003
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Fresh water flush Yanmar diesel

I''m a rigger, not a mechanic so I don''t claim to know what I''m talking about but a few years ago I installed a y-valve on my salt water intake just after the strainer and connected a hose which I ran into the bilge. I have a 10 hp salt water cooled Yanmar and what I did was partially fill the bilge with fresh water before I went out and then suck it back out with the engine when I got back to the dock. I figured it couldn''t hurt to have fresh water sitting in the engine between sailing trips rather than salt water. The bilge was kept clean that way too. Like I say, there may well be a valid reason why this is not a good idea or doesn’t help anyway, and I would be interested to hear others thoughts.
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