So I messed up my 6 hp Evinrude I had on my 10' Landau Cherokee. Its leaking foot oil. I have the opportunity to buy a 2012 Nissan 9.8 hp long shaft with 12 hours on it for $1000. Two questions, one is he asking to much for a 9.8 hp motor? And two, would it be ok to have a long shaft motor on my...