Cavitation Problems

Hey I hate asking for help but I'm stuck and the ski that I love to ride is giving me problems it's cavitating and I can't find out why anybody got a clue I appreciate any help
 
Location
Pa
How easy is it to bolt the pump in? You may not be getting an adequate pump to shoe seal. Also is the midshaft housing silicones to the bulkhead? That can suck air too. Is your pump sealed up nicely to prevent sucking air? Did you silicone the piece that fills the dead space of the intake grate? I'd figure this problem out before just buying a new pump.......
 
How easy is it to bolt the pump in? You may not be getting an adequate pump to shoe seal. Also is the midshaft housing silicones to the bulkhead? That can suck air too. Is your pump sealed up nicely to prevent sucking air? Did you silicone the piece that fills the dead space of the intake grate? I'd figure this problem out before just buying a new pump.......
Already bought the new pump. Have not installed/tested

The pump seal was siliconed to the pump shoe, no leaks there for sure.

No, the mid shaft housing was not siliconed to the bulkhead. I will do this.

No, I did not silicone the piece. I have an intake grate for my new setup.
 

Quinc

Buy a Superjet
Location
California
I am going through this same mess.. new pump, new drive shaft, new pump seal, and now I have a new midshaft coming...
 

Quinc

Buy a Superjet
Location
California
Also check the spacing on your impeller to splines on the pump. You may need to remove a spacer/washer if you are using one.
 
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