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Old 21 September 2006, 16:17   #11
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Originally Posted by ADS
1000 hours on a 150optimax apparently according to a Southern Merc dealer.
That really doesn't seem very much to me. I mean that's like needing a new car engine about every 30,000 miles....
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Old 21 September 2006, 16:19   #12
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Hi

My mates got a Avon sea sport that is 13 years old with a mariner 75 2 stroke on it at that has 2350hrs on it and it is thrashed every summer wakeboarding. And all the other times is spent at WOT.
Still running well.

James
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Old 21 September 2006, 16:20   #13
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Quote:
Originally Posted by BogMonster
That really doesn't seem very much to me. I mean that's like needing a new car engine about every 30,000 miles....
Yes but I bet the car you're comparing it with wouldn't spend 1000 hours half immersed in salt water!
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Old 21 September 2006, 16:22   #14
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Originally Posted by J S
13 years old with a mariner 75 2 stroke on it at that has 2350hrs on it
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Old 21 September 2006, 18:17   #15
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Also you can't really compare car and boat engines as most boats spend a vast majority of their life at full throttle, where as cars hardly ever get there.
Honda 225 is 2 years old with 1000 hours and just the usual probs.
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Old 21 September 2006, 18:39   #16
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Quote:
Originally Posted by Bluestreak
Also you can't really compare car and boat engines as most boats spend a vast majority of their life at full throttle, where as cars hardly ever get there.
But outboards cost a small fortune and at the end of the day they are built by the manufacturers knowing that they are going to be used at high revs.

Therefore if they don't last too long then surely thats the manufacturers fault and not the users fault.
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Old 21 September 2006, 19:07   #17
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No-one's actually defined what they call worn out yet-is it when things start going wrong or when the internal components are getting beyond tolerance?

There's quite a difference between the two.
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Old 22 September 2006, 02:21   #18
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In Africa i have seen a pair of Yamaha's carb. 115 HP with 5200 hours each.
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Old 22 September 2006, 15:08   #19
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I regularly see MOD Mariner 75hp/90hp Two strokes in for overhaul with upto 9000hrs on the hour meters!!. They get a make over an go back to work again.
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Old 22 September 2006, 15:56   #20
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I regularly see MOD Mariner 75hp/90hp Two strokes in for overhaul with upto 9000hrs on the hour meters!!. They get a make over an go back to work again.
That's more like it, that is pretty impressive
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