I'm in the hunt for a second 4 stroke out board for my 5.3m (17.5 foot) sundowner boat. Unfortunately I'm not able to outlay enough $$ for a band newy. I have found a 2004 4 stroke mercury saltwater series, tacho says 149 hrs at a reasonable price. It looks clean, dealer is reputable and I like that it is actually a yammi powerhead (mercy used them on these motors). I'm just a bit concerned that it's 10 yrs old and unsure how well previous owner looked after it. Dealer didn't do the servicing on ...