Posts: 3486
Location: Elk River, Minnesota | Hiya,
Thanks sled, for the recommendation... 
First off, what kind of numbers are you seeing now? What we want to be looking for here is the prop's pitch and diameter, RPM's at wide open, and your speed (GPS if possible). All three of these pieces of information will help determine what direction to take for a different prop. Also, where is the motor mounted as it compares to the transom...one bolt hole up, two up, etc. That can play into how well the prop performs as well.
I believe the 75 has a max RPM of 6000 if memory serves me correctly and a gear ratio of 2.31:1, so propping the boat will be related to finding something that allows the 6000 rpms to be reached with a light load in the boat. The reason for this is so when you load down with other people and gear, you don't have to swap out props to match the load.
So...if you have an idea of what those numbers are, we can start from there. I'll help any way that I can.
Steve
Edited by VMS 3/7/2013 10:41 AM
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