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Weird noise after f115 impeller change

I haven't heard that before either, but it doesn't sound like metal-to-metal grinding.

Did you lightly grease the impeller fins and the inside of the housing?
 
I didn’t do the impeller fins, but I did the inside of the housing, whether it was enough or not i don’t know. To me it sounds like the impeller running against the inside of the steel cup, I greased the splines on the driveshaft too
 
I have the same noise coming from my 2006 200 HPDI yamaha after an recent impeller change. Runs great but at Idle makes that funny noise. Did you ever figure it out. Appreciate hearing what it was. Thanks
 
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