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post #7 of Old 07-15-2012
sawingknots
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Re: Overheated my Yanmar 20gm20f

Quote:
Originally Posted by Skipaway View Post
Just a thought: any chance the water pump impeller got overheated or damaged from dry running and bits of it might get into the cooling passages? And, if so, will they flush out with normal water circulation?, or will a manual flush be needed?
thats a good point,it only take a few seconds to wipe out an impeller,you should be able to determine how much of the impeller is missing
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