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Unread 04-09-2007, 06:25 PM
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Join Date: Nov 2004
Location: Adrift in Mobile Bay
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Default Re: Etec VS Yammi tug o war

All else being equal a two stroke is about 50% more powerful than a four of the same displacement. The disadvantage of a two is they dont last as long. they run harder, hence shorter lifespan.

This is why a four stroke outboard is so much heavier. They have to displace more cc's in order to produce the same power as a two stroke rated at the same HP.
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