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I took a dremel and took off all the rough edges I could get to in the manifold and intake port, she runs much smoother now. That little motor pushes my old 17' Grumman transom canoe up on plane. I'll never sell either one.
I changed my carb to the 21mm then I took my dremel and ground out all the ports to make them as large and smooth as I possibly could, I also changed my prop by 1 degree and installed a hydrofoil fin. Not only did I gain a decent amount of power, it also runs super smooth. I was under the...
