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Old 07-23-2000, 06:57 PM
FootDoc
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Default Is 307 hrs. a lot for an outboard?

I am curious as to how many hours is a lot for a 2-cycle outboard. I have a 90 hp evinrude with 307 hours and am just wondering what the life expectancy is of these units. Just curious if anyone knows. Thanks!
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  #2  
Old 07-23-2000, 08:13 PM
Phil T.
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Default RE: Is 307 hrs. a lot for an outboard?

If you have a dealership shop winterize it, you're getting close to the time to watch the compression. My old 90 degree-V 4 cylinder 90hp OMC needed its first ring job at about 700 hours, but the second was due only 500 hours after that.
  #3  
Old 07-23-2000, 08:32 PM
magna19
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Default RE: Is 307 hrs. a lot for an outboard?

i have a 94 evinrude with 245 hrs on it.not much use on it.run out 5 or 6 miles,start 8hp merc,troll all day.
  #4  
Old 07-24-2000, 06:25 AM
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Chad Chad is offline
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Default RE: Is 307 hrs. a lot for an outboard?

Last year alone my partner put 300 hours on his motor.
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  #5  
Old 07-24-2000, 07:18 AM
upnorth upnorth is offline
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Default RE: Is 307 hrs. a lot for an outboard?

How do you know the hours? Do you have an hour meter, or do you keep tack of each time you go on the water.? I have a 90hp Johnson, unless I put an hour meter on it I have know way of knowing the hours.
  #6  
Old 07-24-2000, 10:28 AM
REW REW is offline
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Default RE: Is 307 hrs. a lot for an outboard?

In the northern climates - 20 years is considered the normal life for outboard motors. This is based on the normal - seasonal use of 100 hours per year. 100 X 20 = 2000 hours.

I talked to a couple of resorters that work out of crane Lake - they use 100-200 hp motors on their launches, and big boats for ferrying passengers and freight from their resort to and from the shore that is 20 miles away.

They indicated to me - that they typically take their motors - break them in and then run them at 3/4 to full throttle for the next 2500 hours and then trade them in on new motors. They use them in their ferrying operation where dependability is a requirement - and by doing motor swaps on this schedule -- seldom have motor breakdowns.

He also indicated that he couldn't remember the last time that he had a motor break. He simply changed plugs every 500 hours and changed motors every 2500 hours.

So -- in a nutshell - 300 hours is barely broke in on the motor.

Take care and enjoy.,

REW
  #7  
Old 07-24-2000, 08:05 PM
magna19
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Default RE: Is 307 hrs. a lot for an outboard?

i bought it brand new with 0 hrs on it,put an hour meter on it when i got the boat home,didnt even put it in the water yet..
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Old 07-24-2000, 08:17 PM
Wrangler3
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Default RE: Is 307 hrs. a lot for an outboard?

Depending on what Mercury's engineers are looking for,it is not uncommon for engines to be run for anywhere from two to three thousand hours,then completly torn down and inspected,and put back together and run again. Most of this type of testing is done at the Placida,Fl. test plant, and those engines are mounted to a stationary barge and monitored throughout the testing.
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Old 07-24-2000, 08:50 PM
SdDoc SdDoc is offline
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Default RE: Is 307 hrs. a lot for an outboard?

Sounds like what anderson outfitters does... Nice guys and saves a lot of paddleing....
 

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