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Old 21-06-2019, 19:21   #1
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How Does a Small Four Stroke Outboard Die?

Have you had one die on you? How long did it last? Was death a sudden event, spun bearing, dropped valve, thrown rod, or did it die a slow death, burning oil, losing compression getting hard to start.

Im trying to see how long they live and what was the cause of death to try to determine mines lifespan and whether or not it will give warning slowly over time or not.

Wondering how many years or hours one of these things will live.

Im mostly talking 9.9 to 20 HP or so, I assume they out live their little Brothers
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Old 21-06-2019, 19:47   #2
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Re: How Does a Small Four Stroke Outboard Die?

Hi a64pilot. I think most small engines die from neglect. I've lost one when the coils got to weak to fire the plugs, another when the crankshaft upper seal quit sealing. Mostly as a young teenager I was rough on my engines. Now 60 years later I treat them more gently.
Lots of engines (outboards) are put away with old gas in the carbs and not flushed to get rid of salt. Just my 2 cents.
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