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    Prop change for more top speed.....?

    As I do not have a picture but do recall peeking over the transom at WOT I believe that the water is skimming below that upper small water deflector as per your picture. Have a look at the two pictures below - that is the trim I run. When the boat is well up on plane it is obvious that it would...
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    Prop change for more top speed.....?

    Hello and thanks for the wonderful feedback thus far. Following is an actual picture of my GPS showing the 53.4kph top speed of my 25HP Long Shaft Merc Tohatsu with the 30HP carb gasket installed running on a Naden 16' aluminum. I checked my notes from the information provided by my Tiny Tach...
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    Prop change for more top speed.....?

    Hello members, it has been quite some time since my last post. Largely because since I installed the carb gasket for a 30HP 2 stroke Merc / Tohatsu into my 25HP it has run like a top, with power to spare and a crazy strong holeshot on my Naden 16FT aluminum boat. My GPS indicates 54KPH at...
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    Mercury 2-stroke 25HP to 30HP upgrade - carb gasket - DONE!

    Hello all! I am going to report the details of making the simple [carb gasket] change to my brand new 2-stroke 2011 Mercury [Tohatsu] 25HP which increased it to a 30HP outboard. I read about the restricted carb gasket and confirmed that was in my 25HP. I ordered the non-restricted gasket from...
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