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post #1 of Old 04-06-2013 Thread Starter
Maine Dub
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Angry Yanmar 3gm raw water pump

After finally finding the raw water pump on my Yanmar, I have discovered that it is nearly impossible to get at, look at or service.Brilliant engineering. Since it is only about 2 inches from the starter motor do most folks remove the starter to change impellers or is it easier to pull the entire pump assembly off the engine to replace the impeller. Thanks. Al
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