Leah's boat (Kelly Shawn) and mine (currently named Rubber Biscuit) both use a 4HP Mercury. It seems to do the job. The 3.5HP is considerably lighter but lacks reverse.
-scott
On Aug 17, 2010, at 3:31 PM, James Dilworth wrote:
> Hi Michael (and Tuna group)
>> Thanks for the tow the other week. I'm thinking it might be time to retire
> the 30yr old 2-stroke and plump for a nice modern outboard. You looked to be
> using a fairly low-hp motor on yours.... 4hp, or was it less?
>> Any recommendations on buying outboards that would work well for a Tuna?
>> James
>>http://www.dilworth.org/> Design for Websites & Web-Apps
> +1.415.342.1350
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