Mac 21 Outboard - SailNet Community
 
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post #1 of 4 Old 10-24-2006 Thread Starter
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Mac 21 Outboard

I'm sure there is a spec for the maximum HP O/B that can be safely run on a Mac 21, however, i don't have it!
Any suggestions
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post #2 of 4 Old 10-25-2006
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9.9 HP is what I've seen
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post #3 of 4 Old 04-20-2009
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outboard specs

i have a 21 and have a 6hp 2 stroke merc on it. kinda heavy on the engine mount. if you have tidal or current conditions or high winds you want the max but if you are on a lake then min will suffice. some use trolling motors.
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post #4 of 4 Old 04-23-2009
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According to an original spec sheet I have it is a 10hp but I suspect that is for a 2 stroke for weight.

I have a 8 hp 2 stroke and reach 6kts at 1/2 throttle.

Rick
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