Quick view Add to Cart Sea Dog Rail Mount Motor Bracket $31.99 RAIL MOUNT MOTOR BRACKET- Injection Molded Polypropylene. Designed to hold small outboards up to 8 HP- 2 cycle upright on the stern rail. These Sea-Dog Motor Brackets will fit both 7/8" and 1" rails as well as rails using 90° tee fittings. Most other... Add to Cart