I have a 1982 skeeter Sierra 90. It has a 1980 evinrude 115hp on back. I have had it tuned, carbs redone, and changed my prop from a 13 1/4x 21 to a 13 1/4 x 17. With full throttle it still will not plane out. If I send my passenger forward a little bit it will. My RPM gauge does not work so I...
