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water backup through hose cleanout port

G

goldenmaggie

Active Member
Messages
1
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Boat Make
Yamaha
Year
2014
Boat Model
SX
Boat Length
19
does anyone know why i would be getting water backing up through the hose connection for running engine when the boat is out of the water? it most noticeable when the boat is in motion.
 
Seadeals

Seadeals

Jetboaters Admiral
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Location
Greenville, South Carolina
Boat Make
Yamaha
Year
2006
Boat Model
SX
Boat Length
21
The port OEM flush fitting on my boat started leaking. It was the reason I kept finding a little water in the engine compartment. Pressure is highest when underway (the higher the rpm). The flush valve is just a check valve with a flush fitting receptacle.

I upgraded mine with a better design per this thread:
https://jetboaters.net/threads/flush-port-replacement.9201/

You may just have a piece of sand or dirt keeping the ball/spring open a bit. Take a closer look before considering a replacement.
 
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