Had the Koehler 5k show loc on startup. Pulled the impeller and it was fine. Checking further remove the hose coming out of the housing and after several attempts pulled numerous pieces of past impellers out until I could find no more. Still start up and runs smooth for about 3 minutes then shuts down showing loc. Thinking of pulling that hose again and putting a shop vac on it to see if I could pull more old pieces out. Not sure if that is a wise idea but am at a loss as to what to try next.
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2008 Vista 278 Volvo Penta 8.1 Gi 375 hp
1999 Horizon 220 5.7 GSi