Tamiya Lightly Tuned Motor (28T) #53983 This is a lightly tuned motor designed for electric R/C cars. High-torque type suitable for use with M-chassis cars. It can also be used as a practice motor for beginner touring car drivers. Worn out brushes can be replaced with standard type brushes. Cleaning brushes can also be used. RPM at no load: 16,300 r/min (7.2V). New in original Tamiya package.