Reduce the pitch on the max prop. I can be set as low as 10 degrees. Per max prop
Quote:
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A two degree change in blade angle will change the engine RPM by 13-15%, at the same boat speed.
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so in your case 2 degrees equals about 300 RPM so a 2 degree change should do it.
details here:
http://www.pyiinc.com/index.php?sect...tallation&sn=3