Originally Posted by firstname.lastname@example.org
For wakesurfing I fill the standard starboard (or port) factory ballast, plus an additional 400 lbs on the side of the surfer, and then also the center factory ballast. Surfs great.
It's pushing 4200 RPM's at 36mph. Top end just at 40mph.
Yeah if you're wanting to get the RPM's down than the 13.7 will be a good bet. The 43mph was calculated using the engine RPM as 5000...couldnt remember what an MCX runs at.