Manufactured by Sky-Tec, these are direct replacements for electric starters on specific Rotax 912 and 914 engines. High torque and lightweight, Sky-Tec Rotax starters crank 10% faster and draw less current than stock Rotax starters. Certified for use in many S-LSA certified aircraft and all experimental aircraft. 4.1 lbs. Not FAA PMA Certified.