When repowering, it is best to verify this information for the sake of safety and to ensure that your insurance company will cover you. If you do not have the manual for your engine then we highly recommend that you get one as repowering is costly and it takes you off of the water. The max rated horsepower of this boat, as listed by the manufacturer, (according to records we have) is 70 hp. which does not include passengers, aftermarket boating accessories, or fuel. The 1997, Spirit 150 is a 15.33 foot outboard boat.
