Estimation of how long my motor will last?

S

ShingenTokugawa

Recruit
Joined
Mar 16, 2009
Messages
1
I'm looking to buy a 1988 mercury 100 hp outboard motor. the owner says he replaced the power head and stator 7 years ago and has 60 hours of use on it since replacement of those 2 components. He says that motor should last me 1000 hours. I'm new to boats by the way. I was just wondering how long this motor should last until the motor goes out again. It is a rebuilt and I heard Mercurys need to be rebuilt a lot so I was just wanting to know the truth before I buy it. I hope you guys can tell me how long this rebuilt motor will actually last me. I'm hoping this motor can last me up to 500 hours at least.
 
hkeiner

hkeiner

Lieutenant Junior Grade
Joined
Oct 17, 2006
Messages
1,055
Re: Estimation of how long my motor will last?

It is my opinion that for the average boat owner, the motor will catastrophically fail due to bad maintenance practices or bad link and sync adjustments before it needs to be rebuilt because of wear from the number of hours that it has run or the brand of motor involved. More important considerations when buying a used motor are its general condition (compression, good spark, no water in lower unit, etc. ) and parts availability.

I have absolutely no reliable basis for these comments, other than my opinion.
 
B

bullbat

Petty Officer 2nd Class
Joined
Mar 10, 2009
Messages
152
Re: Estimation of how long my motor will last?

U can never know how long one will last some may last 10 years some may last 50 u dont know alot of it depends on the care of the motor , like me im running a 77 1150 merc that has never been rebuild and still runs like a champ only thing been changed s minor stuff
 
Silvertip

Silvertip

Supreme Mariner
Joined
Sep 22, 2003
Messages
28,771
Re: Estimation of how long my motor will last?

As someone on this forum so eloquently put it, "most engines don't wear out -- their owners kill them." All you need to do is read between the lines on most of the engine threads and it is very obvious that lack of maintenance, lack of understanding of the engine, poor operation (abuse), and a host of other problems are caused by operator error.
 
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