FZR still cavitates

FloatR

Do the Hustle!
Location
Sweden
Hey all, hope you’re staying healthy in times like theese.

So we have this 2016 FZR who got a rock into the impeller and damaged the impeller and housing.

We replaced the impeller with the same one (Solas Concorde 13/18) and the housing was replaced with a Solas housing, instead of the stock one.

Everything is mounted and sealed by the book, but the damn thing cavitates like hell. With the old impeller (pre-rock accident) and stock housing it never cavitated.

Is it possible that the Concord don’t like the housing?
 
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