First the motor ventilates with anything much above 23s throttle and has prop slippage.

Pontoon boat outboard motor height. Here are the steps that you need to follow to make sure the height of the mounted motor is ideal. The size of your pontoon boat can help you determine what size of motor you need because the larger the boat the more horsepower. You didnt say what pontoon boat you have nor did you say what motor youre running but 15p seems to be part of your problem with rpms probably should be 11 or 13.

A 50 HP motor on a 20 foot toon is going to want all the bite it can get. Place a variety of loads or people on the boat to test this height of the motor. My understanding is most pontoons need a 20.

70 HP 4 stroke EFI Yamaha. A long shaft engine requires a height of 20 and extra-long shaft engines will need a transom height of 25. New Toon Kicker Auxiliary Outboard Mount For Pontoons Boats Com Can You Put A Trolling Motor On Pontoon Boat With Sizes Skilled Outdoors.

Pontoon boats can come in all shapes and sizes. Place an anti-ventilation plate below the waterline. The Yamaha is a 25 shaft.

It is a Polar Kraft 1778 which is a fairly basic fishing boat with no carpet or flooring. You can mount the engine quite high and still get clean water to the prop. Second there was a lot of water splashing up into the boat and initially all over the motor even going up over the top of the cowel.

However the standard recommendation is that for every 8-10 inches distance between the propeller and the transom the outboard motor should be elevated by an inch. Turns out some boat builders are letting transom height get closer to 21 inches or 26 inches. Industry standards dictate that for short shaft engines the transom height should be 15.