This is a Tamiya RC BZ Super Stock 23T Motor.

FEATURES: Stand up brush hoods
          This is a high torque motor designed for R/C off road cars
          Equipped with brush damper that enables firm contact with
            commutator
          Features terminal heat sink and chip type condenser
          End bell features blue anodized aluminum finish
          Can be used in Tamiya official races
          Preinstalled surface mount capacitors
          Preinstalled leads with 4mm bullet connectors
          Sponge motor covers
          Bushings

INCLUDES: One motor
          Two sponge covers
          Three urethane bands (to secure the sponge covers)

SPECS:    Length:   2.2" (55mm) can excluding shaft
                    0.39" (10mm) (shaft)
          Diameter: 1.4" (36mm) can
                    0.12" (3mm) (shaft)
          Usable voltage: 7.2V
          R.P.M. at best efficiency: 26,500rpm (7.2V)
          Torque at best efficiency: 49mN-m(7.2V)

COMMENTS: Tamiya uses both a BZ and TZ designation to describe this motor.

                                                                   ajw 10-05-06
                                                                         ir/jxs