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Motor Drain Plug Holes

Printed From: CorrectCraftFan.com
Category: Repairs and Maintenance
Forum Name: Boat Maintenance
Forum Discription: Discuss maintenance of your Correct Craft
URL: http://www.CorrectCraftFan.com/forum/forum_posts.asp?TID=51566
Printed Date: January-28-2025 at 1:40pm


Topic: Motor Drain Plug Holes
Posted By: flash3102
Subject: Motor Drain Plug Holes
Date Posted: May-12-2024 at 9:58am
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.



Replies:
Posted By: Jonny Quest
Date Posted: May-12-2024 at 10:49am
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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Current
2003 Ski Nautique 206 Limited

Previous
2001 Ski Nautique Open Bow
1994 Ski Nautique Open Bow

Aqua skiing, ergo sum


Posted By: KENO
Date Posted: May-12-2024 at 10:51am
Flash

If you read the link below, you should get the info you need from an old CCF thread.Wink

http://www.correctcraftfan.com/forum/forum_posts.asp?TID=46959&OB=ASC&PN=1&title=stripped-rusted-drain-plug-hole" rel="nofollow - link


Posted By: flash3102
Date Posted: May-12-2024 at 5:13pm
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.


Posted By: KENO
Date Posted: May-13-2024 at 6:57am
Looked hard.....was easy to  take care of Wink



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