Went to Guntersville yesterday planning on fishing two days. I have an2003 ox66 225. I ran up lake about six miles stopping and starting a couple of times. Motor ran great! Started up to move a few hundred yards and it didn’t want to get on plane just bogged down. Finally it did and after about thirty seconds it shut down completely. When I turn the key to start just a clunk but it won’t spin. My fear is motor locked up. Does anybody have any ideas? If the power head is done how much for a reman or rebuild?