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Old 29-07-2009, 09:58   #1
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Flushing Outboards

Hey folks,

Has anyone ever used a mix of fresh water and vinegar to flush their outboard? If this works, it would be much cheaper than the commercial products for flushing out the salt.

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Old 29-07-2009, 10:12   #2
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At work we have a number of outboards on the trailer boats. We just flush them with straight tap water. I would imagine that if your tap water has an unusually high amount of calcium carbonate, or an unusually high pH that flushing with a mild acid like diluted vinegar would be of help in stopping internal scale buildup in the cooling system. For us, internal scale buildup has never been a problem.

Your right about commercial products like that. If you can find out what base chemical they use you can make your own solution for a lot less than what you get charged. Quite often all they do is add water to a base ingredient, add a coloring agent and maybe a perfume and then charge a whole lot more than what you can make for yourself.

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engine flushing

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