MM-3 Motormount for SE-8 and SE-9: Made of Marine Plywood of good quality hardwood plywood made with waterproof glue. For use with Gas motor 3 hp max (45 lbs. max weight, 20" shaft minimum) or Electric motor 70 lbs. thrust max (45 lbs. max weight, 26" shaft minimum). The new, improved MM-3 Motormount works better because the aluminum tubing now bends back into the hull. The MM-3 is solid yet light and easy to assemble. It can carry a 3 hp engine on the SE-9, and a 2 hp engine on the SE-8. Fits models produced after 1985. (Includes only the MM3 Motormount set. Boat not included.)