response to most questions.
1) Performance issue you are trying to correct.--- get on plane faster and lower rpms to with in range 5800
2) Current prop manufacturer, model, aluminum or stainless as a minimum.--- aluminum, 13x19 its the prop that came with the engine
3) Current prop diameter and pitch (required)---. 13x19
4) Wide open throttle RPM and speed with an average load (very helpful) ---6400 rpms
5) Engine/drive make, model, year, and HP--- yamaha 4 stroke 2003 115hp OB
6) Boat make model, year, length and weight"--- 19 foot polar 2003 about 2000lbs center console
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