I am choosing between a late 70's merc175 and a mid 80's merc150 oil injected to purchase- both in nice shape, the 150 a bit more money. Is there an obvious choice? Were there any problems with either of these that stood out?Should the oil injection play a big part in the decision. Also, at what...
I have an older merc v6 and am trying to find out the "best" operating rpm. I have heard that running one of these older mercs at too low rpm over time on a regular basis can cause carbon build-up and eventualy lest to powerhead failure. Is this right?<br />Thanks.