Another Flushing Question

mike_i

Lieutenant Junior Grade
Joined
Jun 28, 2017
Messages
1,028
I have a question to those of you that run some type of de salt fluid thru your outboard? I have a 2016 Yamaha F150xb with 280 hours on it. I run in saltwater only and at the end of the day I run the motor for approx. 10 minutes in a 100 gallon trash can and do it again the next day before I put the boat to bed. I've had several containers of de salt solution and have decided to use it up. I first removed the thermostat to see what it looked like. I should have a taken a few pictures of it but didn't. There was some corrosion but was able to remove it with no problem. I tested it in a cup of hot water and it did open fully at 140 degrees and then fully closed. So my question is should I run the motor without the thermostat? I plan on letting the water cool then run it again and repeat the process for couple of days.
 

jimmbo

Supreme Mariner
Joined
May 24, 2004
Messages
14,253
So my question is should I run the motor without the thermostat? I plan on letting the water cool then run it again and repeat the process for couple of days.
To the first Part, No.
To second Part, Running it a barrel, just recirculates/reintroduces the Salt, and reusing the Water the Next Day, just repeats that. Have you considered flushing it with Fresh Water using a Hose, and Muffs?
 

mike_i

Lieutenant Junior Grade
Joined
Jun 28, 2017
Messages
1,028
I've had issues with running with muffs on other outboards but the main reason is if I used muffs I'd create a huge lake of mud. I've never been concerned about running the motor in the trash can since it's 100 gallons of fresh water vs I'm guessing a few gallons of salty water. After I start the motor I taste the pisser water and the salty taste is gone in a few seconds.
To the first Part, No.
To second Part, Running it a barrel, just recirculates/reintroduces the Salt, and reusing the Water the Next Day, just repeats that. Have you considered flushing it with Fresh Water using a Hose, and Muffs?
 
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