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I have noticed that the application evenness of the bees wax is critical to the amount of water getting past the seals. The seals are shaped in a pressure up orientation, so Yamaha believes that water is being pressed UP towards the plug. I believe that while operating the boat at a constant speed, the boats travel across the water actually “scoops” enough water to create pressure on the clean out plugs. This is the mode that I think you guys are seeing bypass. I spend a good amount of time needing and working the wax before I apply. Last time out, I had very little water in the tubes, and nothing but air came out of the hull drain plug.
Popped the #350 rings in from MSC with a thin coat of "lube tube". Seated fine as noted in other posts. Worked perfectly. Totally dry above the plugs where they would normally be near full. So far so good!
They should. After @TeenGee posted about the #350 O ring success I checked the part numbers of the clean out plug assemblies of my boat with TR-1’s, his 255 FSH with its 1.8L’s and a couple other late model boats and their clean out plug assemblies and all were the same. As @drewkaree mentions below, double check online parts fishce to be sure.
I did a quick check on Vallely Sport and Marines website and found your boats clean out plug assembly.
And here is the one for my boat
As you can see same part numbers.
Scroll back through the thread for the ordering information.
Look for the Jet Pump parts explosion, and see what the part number is for your boat, and then back out of your boat's section, and look up the boat model for anyone in this thread that's reported back - if the cleanout plug is the same number, there's verification for you.
I will say yes, but you will be the one who needs to verify this
I have noticed that the application evenness of the bees wax is critical to the amount of water getting past the seals. The seals are shaped in a pressure up orientation, so Yamaha believes that water is being pressed UP towards the plug. I believe that while operating the boat at a constant speed, the boats travel across the water actually “scoops” enough water to create pressure on the clean out plugs. This is the mode that I think you guys are seeing bypass. I spend a good amount of time needing and working the wax before I apply. Last time out, I had very little water in the tubes, and nothing but air came out of the hull drain plug.
These O rings eliminate the need for wax for sealing purposes on the clean out plugs. All you’ll need is some silicone spray to keep the plugs mechanism operating smoothly and tiny bit of wax, silicone spray, pool pump lube to keep the seals themselves supple.
They should. After @TeenGee posted about the #350 O ring success I checked the part numbers of the clean out plug assemblies of my boat with TR-1’s, his 255 FSH with its 1.8L’s and a couple other late model boats and their clean out plug assemblies and all were the same. As @drewkaree mentions below, double check online parts fishce to be sure.
I did a quick check on Vallely Sport and Marines website and found your boats clean out plug assembly.
Look for the Jet Pump parts explosion, and see what the part number is for your boat, and then back out of your boat's section, and look up the boat model for anyone in this thread that's reported back - if the cleanout plug is the same number, there's verification for you.
I will say yes, but you will be the one who needs to verify this