The Futaba FUSG25 servo gear set supplies replacement internal gears for Futaba S25 and S125 servos. The parts are provided without outer packing and are geared toward hobbyists performing maintenance or rebuilds.
Fit this gear set when you find worn teeth, stripped gears, or a failing gear train in an S25 or S125 servo; renewed gears re-establish correct gear alignment and reduce extra torque loading on the motor and bearings. Note that the product is replacement gears only, not a full servo.
Installation notes: open the case with care, keep all small components such as bushings and bearings secure, mirror the original gear orientation on installation, and check for smooth mesh and acceptable endplay before resealing. Always perform a bench functional test at low voltage prior to machine use.
Tuning and maintenance role: this gear set helps maintain the servo's original mechanical characteristics after wear, assisting hobbyists to restore reliable operation and reduce service downtime during events or practice.
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