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Another Clean-Out Plug Thread

Did the test run after the screws were tightened just a small trace of water on top of the plug. So if you still get water after the o ring mod, try tightening the screws on the retainer plate
 
Unfortunately those are too thick for my plugs. I couldn’t lock them but thinner might work. Although after I cleaned off all of the wax from the plug they are staying pretty dry.
 
Cambo said:
Did the test run after the screws were tightened just a small trace of water on top of the plug. So if you still get water after the o ring mod, try tightening the screws on the retainer plate
Click to expand...
Do you have the older style clean out plugs with the push lock button?
 
johhnyboat said:
Unfortunately those are too thick for my plugs. I couldn’t lock them but thinner might work. Although after I cleaned off all of the wax from the plug they are staying pretty dry.
Click to expand...
Previous page I screen shot the PDF of the pages @TeeNGee posted with O rings with thinner cross sections
 
Finally got a day free from work that isn’t raining. Couple of hard acceleration runs to test the seals… and for the first time since owning a Yamaha boat in 2017, dry clean out tubes.
 
@johhnyboat Do you think the rings with roughly 1/2 size cross section will allow our older style "push lock" plugs to seat all the way? Looking at ordering the 049 and 158 variants, but want to be sure the inside diameter seems correct before paying the $12 for shipping...
 
Been a couple months since I read this thread. I tried the bees wax and it didn't work and I've got wax all over. Cleaned up some of it and then took this picture....

An o-ring sounds like a much better fix and I'll be buying these ASAP!IMG_8871.jpeg
 
Gman88 said:
@johhnyboat Do you think the rings with roughly 1/2 size cross section will allow our older style "push lock" plugs to seat all the way? Looking at ordering the 049 and 158 variants, but want to be sure the inside diameter seems correct before paying the $12 for shipping...
Click to expand...
I would think so, but I haven't had the time to try the different o-rings.
 
Shookie said:
Been a couple months since I read this thread. I tried the bees wax and it didn't work and I've got wax all over. Cleaned up some of it and then took this picture....

An o-ring sounds like a much better fix and I'll be buying these ASAP!View attachment 239067
Click to expand...
same, it didn't work for me and just made a big mess.
 
The #350 o- rings were too thick on my 2019 AR 190. I ordered the #248 o-rings and installed today, also used real bees wax. Plug went in so easily I wonder if it is thick enough to do much. Won't get to find until the following weekend. I will report back.
 
So took the boat out and the tube was 3/4 full the 350 o ring and screws tightened seemed to work the first time but didn't the next. One side is dry the other was not. The bilge has stayed dry for the entire season due to multiple items being sealed and the one way drain in the clean out tray.
 
Cambo said:
So took the boat out and the tube was 3/4 full the 350 o ring and screws tightened seemed to work the first time but didn't the next. One side is dry the other was not. The bilge has stayed dry for the entire season due to multiple items being sealed and the one way drain in the clean out tray.
Click to expand...

I was talking with @FSH 210 Sport a while back, and my theory is that the rubber rings on the cleanout plugs "wear in", and start to allow water past. On some boats, it's right away, on others, it happens over time.

While I'm not certain on this, your experience would seem to indicate the possibility of this being correct.

I've had my hands full this year, but I was going to try to 3D print a simple ring that would drop into the groove on the metal fitting. If that worked, it would be easy to simply print new rings as the rubber ring on the cleanout plugs wore down - or to get a more custom fit, in case they weren't identical for each side

Seems the add-on O-rings are the solution at hand right now, and the height may need to be tailored to the individual plugs. Keep reporting what you used to stem the water intrusion
 
Last edited:
Took my boat out Saturday. Dry when pulling up to a sand bar after a 30 minute trip.
At the end of the day, my tube was 3/4 full of water just driving back to the dock. Brand new O ring.
Drove the boat the same way both ways....Makes no sense.
 
drewkaree said:
I was talking with @FSH 210 Sport a while back, and my theory is that the rubber rings on the cleanout plugs "wear in", and start to allow water past. On some boats, it's right away, on others, it happens over time.

While I'm not certain on this, your experience would seem to indicate the possibility of this being correct.


Seems the add-on O-rings are the solution at hand right now, and the height may need to be tailored to the individual plugs. Keep reporting what you used to stem the water intrusion
Click to expand...
Agree with this 100%. The last two times we we were on LOTO for an extended period of time, the port plug had about 2in of water on top of it, my guess is it’s still leaking some past as well, starboard plug was fine. But I didn’t have any water out of my drain plug both times so it’s still a solid solution for now.
 
I dunno if I posted pics, but when I installed the O-rings on my boat, the plugs were more difficult to turn, and the port side was kinked when I removed them later on.

That would correspond with the results as well, the starboard side was bone dry, and the port side was 3/4 full. This makes complete sense, given the kinked seal. This is why I believe it wears in.

@steelhorse454 did you pull your plugs at all after you verified the empty tubes?

Wondering if these are a shade too thick for you guys, or if some sort of lube would help the plug rings slip or slide onto or over the rings, if they're kinking or gapping open when they're installed
 
steelhorse454 said:
Took my boat out Saturday. Dry when pulling up to a sand bar after a 30 minute trip.
At the end of the day, my tube was 3/4 full of water just driving back to the dock. Brand new O ring.
Drove the boat the same way both ways....Makes no sense.
Click to expand...
Unless the water was coming up the drain and into the clean out plug wells.
 
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