This SBJ016T 16-tooth steel pinion is a purpose-made motor pinion intended for Baja 5b/5b Ss/5T drivetrains. The part is supplied as a single steel pinion and is intended to be used with the SBJ058T spur gear to achieve correct tooth engagement and reliable mesh.
In application the pinion transfers motor output to the spur while offering improved wear resistance versus softer materials. Install the pinion on the motor shaft according to your motor's fastening method, verify axial position and mesh against the matching spur, and secure the pinion to prevent movement under load. Scheduled inspections for wear and correct backlash help maintain drivetrain performance and reduce noise.
The item is supplied as one steel pinion for direct replacement where the matching spur gear is used; avoid combining with unmatched spur gears to prevent poor meshing and accelerated wear.
Use this SBJ016T steel pinion when replacing a worn motor pinion on the listed Baja platforms and when pairing with the SBJ058T spur to preserve proper drivetrain geometry.