I have a 2006 21hp with a 06 225 pro xs optimax. I’ve ran a 26 fury and it turns 5500 rpm and will do 72 with one person but doesn’t lift the hull at all. I tried a buddies 26 tempest plus today and it turned 5850 but would only do 63 with me and my girlfriend(140 pounds). The tempest lifts the hull a little better but not great. Hole shot on both props is pretty good. Could it just be that this prop has lost its cup or something? It looks to be in good shape