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Mike, Yamaha sells one for the HPDI / SHO. MAR-FLUSH-ER-VF

i have run all my yamahas on the fresh water flush hose that screws to the pan...... never once had an impeller fail....

Since the flushing attachment doesn't supply water to the water pump it's not a good idea to start or run the motor on it. Even on the muffs they'll get hot if you go much above idle.

it seems to shower the impeller from the top and still builds water pressure and water never staops coming out of the low water pickup. im not saying do it but..... lol... buzzer never goes off and the impeller never melts... sooooo seems to be working ok..

Three 2.6's, Three HPDI's and Two OX66's later and never had an issue...

The buzzer won't go off as it does feed water to the powerhead but Yamaha recommends NOT running them on the hose...because it doesn't directly feed the pump. it could very well back feed the pump I guess but it is a risk. Do I need to list all my engines now?? Lol

Thanks Rob, I suppose I should have thought of that.
I did think of that but did not feel like melting my new impeller.
Thanks guys and yes I melted an impeller back in the day on my Johnson 2.6, did not have a good seal while running on the hose. It's amazing how fast they melt!!!

I just go over to our launch ramp and run it on the trailer .

Steve

Well...Well.... Your a bastard 'cause I don't have one nearby....

Ya...I didn't want to rub it in Steve lol. the lake is so much easier to find than my hose lol

guilty as charged! too lazy to make an adaptor like Pat uses when I can just drive a block