Will you please share some more details on the boat.
What HP motor? 150 ho
What shaft length? don"t know
What size boat? 18.6 ' bass boat
Single or twin? single
How did it fail? seized up
Prop size? 23" 4 blade
Oil used? xd100
Latest update of firmware installed? no but they are now.
My dealer got a new power head and had it fixed in less than a week