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Old 26 May 2003, 17:43   #1
Country: UK - Wales
Town: Cardiff
Make: Humber Destroyer 5.5
Length: 5m +
Engine: 90hp OB
Join Date: Apr 2002
Posts: 483
Used Engine Hours

I can imagine that this is a very vague question and could well get a vague answer but how many hours are outboards expected to be "good for".

I imagine it depends how its been looked after and serviced but are there any ball park figures.

Any guidelines anyone thinks would be usefull would help. I am looking at 60 to 80 hp probably 2 stroke but possibly 4.



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Old 26 May 2003, 23:57   #2
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Country: UK - England
Town: Gosport
Boat name: April Lass
Make: Moody 31
Length: 9m +
Join Date: Aug 2001
Posts: 4,837
Mike seem to remember reading you should get at least 1000 hours before considering a rebuild from a two stroke.


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Old 29 May 2003, 07:11   #3
Country: UK - England
Town: Great Harwood, Lancs
Boat name: Tigger II
Make: Bombardier Aerodeck
Length: 3m +
Engine: Tohatsu 25HP
Join Date: Jul 2001
Posts: 626
Hi Mike

Not sure on hours but think that a four stroke will generaly last much longer than a 2 stroke, assuming same treatment etc.

However I firmly belive that engines that have VERY few engine hours on that are quite old may be in a worse condition than a engine of same age with quite a few hours on. They need a regular run to keep all surfaces covered in oil etc to help prevent corrosion etc.

Regards Gary
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