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Motor Drain Plug Holes |
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flash3102 
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Joined: October-05-2021 Location: NC Status: Offline Points: 35 |
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 Topic: Motor Drain Plug HolesPosted: May-12-2024 at 9:58am |
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I may not be calling them by the right names but the motor drain holes, one in front on one side and one in back on the other, have rust collected in them. I take those two plugs out every year and never had a problem putting them back in until this year. It seems like they have collected with rust and the threads are not catching. How do I clean them out with out messing up the threads? Pictures attached.
 
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Jonny Quest
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Joined: August-20-2013 Location: Utah--via Texas Status: Offline Points: 2995 |
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Posted: May-12-2024 at 10:49am |
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First, clean up the threads as best you can with some penetrating oil and a wire brush. Then chase the threads with a 1/4" NPT tap to clean everything up well. If you install a 1/4" brass close nipple with brass plug (instead of cast iron) you will be dealing with non corroding threads in the future.
JQ
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2003 Ski Nautique 206 Limited Previous 2001 Ski Nautique Open Bow 1994 Ski Nautique Open Bow Aqua skiing, ergo sum |
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KENO
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Joined: June-06-2004 Location: United States Status: Offline Points: 11155 |
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Posted: May-12-2024 at 10:51am |
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flash3102
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Joined: October-05-2021 Location: NC Status: Offline Points: 35 |
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Posted: May-12-2024 at 5:13pm |
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That worked, OReillys happened to have just that size and I didn’t even have to use anything other than my hand to get it started, it broke some rust away and I put some PB blaster on the plugs and used a wire brush to clean them and they went right in! Thanks, I knew I could get the right answer here.
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KENO
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Joined: June-06-2004 Location: United States Status: Offline Points: 11155 |
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Posted: May-13-2024 at 6:57am |
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Looked hard.....was easy to take care of
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