This 100% weedless prop is designed to push weeds away and conserve battery power. Even at slow speeds, it powers through heavy vegetation or cover. Motor diameter: 3-1/4". MOTOR MODELS WITH SERIAL NUMBER PREFIX "MKJ" THROUGH "MKAI" OR "J" THROUGH "R" All Terrain 30, 33, 36, 40, 42, 44; Edge 40, 45; Endura 30, 34, 36, 38, 40; Endura Pro 32, 38; Maxxum Transom 30, 33, 36, 40; PowerDrive 36, 40; PowerDrive V2 40, 42, 45; Traxxis 40, 45; PowerMax 36; 35Ta; 40Ta; 50Ta; 50MXTa; 65Ta; 555T; 565Ta; 665MXTa; 765MXTa; 865MXTa; 36PD/AP/C; RT27/S; RT40/S

 PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov