Thank you for your response and advice.
Good news,I switched props and no more problems. Is that what's referered to as spinning a prop?
I've got a volvo 290 single prop I guess I should remove prop and check for damage.Thanks,I'll get back to you.
Hello, Iv'e got a 23 clippercraft with volvo 4 cyl and at about 3000 rpm it over revs and slows down. Any input is welcomed this is new to me ,thanks.