A motor includes a rotor including a shaft, a rotor magnet, a sensor yoke disposed axially upward from the rotor magnet, a sensor magnet supported by the sensor yoke, and an input gear including a gear portion to transmit torque to outside, an armature disposed radially outward of the rotor magnet, a bearing mechanism that supports the rotor to be rotatable, a housing that covers the armature, the rotor, and the bearing mechanism, and a rotation detection sensor facing the sensor magnet to detect rotation of the rotor.