Part MZA622T is a copper second-stage servo gear intended for Kyosho Mini-Z AWD reduction trains. The component is designed to replace the second gear where it engages adjacent pinions and the spur, offering a metal mating surface to improve wear resistance in busy micro-servo drivetrains.
Workshop fitting notes: remove the servo to expose the gear stack, confirm spline engagement and the correct axial position, then set a conservative initial mesh with the mating pinion before final assembly. Copper seating differs from polymer gears, so rotate the drivetrain by hand and check endplay and mesh after a light run-in.
Performance considerations: choose MZA622T when you require steadier tooth engagement and reduced wear in frequently used or tightly geared Mini-Z AWD setups. Maintain using minimal micro-gear lubrication and inspect contact faces during routine servo servicing to ensure consistent performance.