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Jolley Roger 10-24-2006 06:30 PM

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

CharlieCobra 10-25-2006 11:43 AM

9.9 HP is what I've seen

jhnblngr 04-20-2009 01:53 AM

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.

timebandit 04-23-2009 04:17 AM

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.

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