Merc 4.3 V6 reliability

tractoman

Petty Officer 1st Class
Joined
Jul 16, 2009
Messages
370
I am looking at a 1990 18' boat with 213 hours on a Merc V6. Are these engines pretty reliable or are there any common problems with this era V6. Anything in particular to pay close attention to on these?
Thanks
 

stonyloam

Vice Admiral
Joined
Mar 13, 2009
Messages
5,830
Re: Merc 4.3 V6 reliability

On a twenty year old boat it depends more on how it was taken care of rather than the dependability of the engine. Pay a competent marine technician take a close look at. In my opinion that is a good engine. The biggest (serious) problem you will see here with 4.3's is cracked blocks from failure to winterize properly.
 
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