Traxxas stock replacement EZ start motor has a pre-installed pinion. Positive end is identified. This motor is what turns the engine over in order to start it. The pinion gear is pressed on and cannot be removed.
Requires: Installation into EZ Start System.
Length without shaft: 38.2mm (1.51")
Length with shaft: 62.5mm (2.46")
Motor can diameter: 27.5mm (1.09")
Number of teeth on pinion: 8
Number of teeth on main gear: 38