Intex Motor Mount for Inflatable Boats 68624Intex Motor Mount for Inflatable Boats 68624 Kick back and relax while cruising down the river on an Intex inflatable boat with this Motor Mount Kit. The kit lets you attach up to a 3. 5 horsepower motor to the rear of your Intex boat, so you can rest your paddling arms and float in comfort. Motor mount kit is designed for Intex inflatable boats: Challenger 3, Seahawk 2, Seahawk 3 and Seahawk 4, Excursion 4, Excursion 5, and Mariner 3, Mariner 4 boats