The motor needs to be set at an optimal height because it causes propeller ventilation issues if it is too high.
Pontoon motor too high. The motor is what powers the boat so the two go hand-in-hand. The Importance of Knowing How Much Wind Is Too Much For Boating. First boat rpms too high.
I will have this all dialed in hopefully by wednesday and will report back. Since this is my first pontoon i have a question for the trim setting. Think of it as a wall of water on both sides of the motor.
On some boats the hull design will allow raising the motor a little to improve speed and economy. Check that while youre there. The propellers will also have trouble reaching the water.
Because pontoon boats are not fast people often overcompensate with large motors or even more than one motor. If you have a 16-foot-long pontoon boat you can use a 25-horsepower engine to cruise around but if your pontoon boat is 22 feet long youll need an engine that has at least 150 horsepower in order to get any decent speed. Other factors affect the life expectancy of an engine as well including brand and type.
Finally got the dealer to look at the issue after they talked with the factory they said to raise the motor one hole and add a deflector to the engine mount. Since you are going to see the boat there is typically a switch in the back of the tach for 4 6 or 8 Cyl. I baught my first pontoon last summer a 2011 benny 20 sli.
Your 20 boat would probably been better suited for a 90 horse Honda. On the flip side if the outboard is set too low it triggers enormous drag. Also your Honda 115 hp outboard is probably a little heavy for a 20 boat.