A binding cord for a motor (i) reduces damage to a motor component that is bound with the binding cord, (ii) has high fastening properties when the binding cord is tied, (iii) does not loosen after the binding cord is tied, (iv) prevents fluff from falling off, and (v) is suitable for both mechanical binding and manual binding. A binding cord for a motor of the present invention includes a multifilament yarn made of synthetic fibers. The multifilament yarn is a bulked yarn that has a loop and a slack in the direction of the yarn axis. The multifilament yarn is preferably a non-torque type and processed by a fluid jet. The degree of bulkiness of the multifilament yarn is preferably 1.5 ml/g or more.