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Old 04-23-2008, 03:11 PM   #1
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Default In water fresh water flush

Has anyone seen a fresh water flush that you do in the water. I leave my boat in salt water and would like to flush the engine out. I know some salt water will remain but I figure it would be better than nothing. I would need some kind of tap in. The intake on the outdrive is not really accessible. I thought it would be handy if it even connected to the fresh water tank. The only concern I have is that there may need to be a sea water bypass because the impeller in the outdrive will be pumping. Unless the flush could be done with the engine off.
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Old 04-23-2008, 09:41 PM   #2
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There must be a kit I'm sure......

My last boat (a Nautique Wakeboard boat) had exactly what you are asking about fitted on it. I'd assume it needs to be slightly different for a stern drive though.

You can always buy a muffle rot slip over the out drive (underwater) and do it that way... but it's not ideal.

Anyone know if the raw water feed from a stern drive goes directly into the block or is there a rubber hose that can be cut into?
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Old 06-23-2008, 11:38 PM   #3
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Default Re: In water fresh water flush

Quote:
Originally Posted by hybris1
Has anyone seen a fresh water flush that you do in the water. I leave my boat in salt water and would like to flush the engine out. I know some salt water will remain but I figure it would be better than nothing. I would need some kind of tap in. The intake on the outdrive is not really accessible. I thought it would be handy if it even connected to the fresh water tank. The only concern I have is that there may need to be a sea water bypass because the impeller in the outdrive will be pumping. Unless the flush could be done with the engine off.
I had an MST Guardian and loved it. You flush the boat when its off and just hook a hose up to it. Worked great.

http://www.mstguardian.com

see if george at boatfix.com still carries them

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Old 06-25-2008, 05:21 PM   #4
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Default Moored in fresh, trips in salt???

I was told that there is no need to flush after a trip in the saltwater becasue since I have a good ways to go in fresh before I get back to the dock, the engine will be flushed by then from cruising through fresh. ANy truth to this????
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Old 06-25-2008, 06:54 PM   #5
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nope...not true....even though your going up river....it's still brackish water and the salt is probably crusted inside...so....it's best to flush the drives with fresh water and wash the outside with soap and water....

that will definitly flush the drive/heatexchanger and anything else needed....

SP
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Old 06-25-2008, 07:06 PM   #6
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My thoughts exactly. This came from the broker who sold the boat. He seems to "know" everything.

Quote:
Originally Posted by seapuppy
nope...not true....even though your going up river....it's still brackish water and the salt is probably crusted inside...so....it's best to flush the drives with fresh water and wash the outside with soap and water....

that will definitly flush the drive/heatexchanger and anything else needed....

SP
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Old 06-25-2008, 07:18 PM   #7
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Default Flush on every trip???

So is flushing required every time I go in salt? SHould I flush the engine every time I run it no matter whether or not I am in salt, brackish, or fresh? The more articles I read the more conflicting reports I get. I sure I dont have to flush my engine every time I am out do I?

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Old 06-25-2008, 08:11 PM   #8
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for fresh water ..no ..you don't have to flush....brackish or salt....yes....definitly flush...
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Old 06-25-2008, 08:35 PM   #9
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Salt has killed my engine and manifold so it might be a bit of an effort but it will need flushing every time you go near salt water.
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Old 06-25-2008, 11:40 PM   #10
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Default Flush

I am moored in Lake WA so I assume I need to flush only when I go through the locks?????
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