04-27-2011, 04:29 AM
I would recommend replacing it once per year. When I replace them I like to dump them into a clear container so I can see if there is any water or debris in the fuel that has been ran in the boat. Even if you do not want to replace it once a year dump it out and check for water and reinstall it. If you find water it is best to replace it. Most of the time the symptoms that you see from a water sep filter issue is the motor will start to cut out and miss when there is a high demand load put on the engine, this is mainly caused when there is a lot of water in the filter. In the 20 years I have been working on boats I have never seen one plug from debris it is always a water issue. I always keep an extra one on my boat at all times.
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