JR Propo JRSG4000 Replacement Gear Set for 4000 4135 4735  [JRSG4000]

Overview of the servo gear set

This gear pack replaces internal gears in JR Propo servos marked 4000, 4135 and 4735. It provides a direct spare to restore correct tooth mesh and smooth response without altering the servo case or electronics.

Confirm compatibility with the specific model codes shown before ordering. During replacement, keep the gear order and orientation and inspect bearings and shafts for wear to ensure reliable reassembly.

Suitable for routine maintenance and for fine tuning servo behaviour in your models, the set helps maintain correct mesh, smooth rotation and freedom from binding to protect servo life.