Raymond you need to get a tiny tach for the motor. It is very easy to put on an will tell you how many rpms you are turning. Once you install the tiny tach you need to raise or lower the motor so the cavitation plate is just below the water when you are running. Load the boat just as you are going fishing and take it down to the old ice plant at the end of ryan st and run it with a gps. Wide open you should not turn any more than the motors recommend max rpm. If you do you exceed the max rpm you need to go to a bigger prop if your rpms are low you need to try a smaller prop. Once you get the prop figured out adjust the motor up and down and try different pin adjustments until you see a decrease in speed then back up to the previous setting. Once you do all of this your rig will be setup for peak performance and you will not be able to see any gains unless you do motor mods which could allow you to run a bigger prop and do it all over again. Hope this helps
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