... motor is with long life ,high efficency. VF-YJ61 Series 1) Power: 1-10 W 2) Voltage: Can be made according to ... , 73 rpm. 4) Reduction ratio: 1: 37, 1: 67, 1: 95, 1: 139, 1: 155, 1: 196, 1: 219, 1: 277, 1: 418, 1: 493, 1: 623, 1: 883. 5) Motor dimensions: 76 ...