Thanks for the reply.
I also have a Mirrocraft, but I don't load it down too bad.
Nissan claims 1GPH @ 5500rpm.
http://www.nissanmarine.com/tech_talk/gas_mileage.html
New Nissan 2 strokes use 1.3GPH, so I guess that somewhat answers my question. Except now I'm not sure if my old 1974 Evinrude is a gas guzzler.