This 5mm shaft kit serves as a direct replacement for Scorpion S-3014 series outrunner motors. The shaft dimension matches S-3014 motor geometry so it seats into the original bearing bores and aligns with the motor pinion and spur setup used in that motor family.
Install this kit when the motor displays axial play, notable runout, or when the shaft is worn from prolonged use or damage. A correct replacement restores alignment and reduces uneven bearing wear, contributing to smoother operation when bearings are checked and serviced as part of the repair.
Installation notes: designed for direct fit into S-3014 outrunner assemblies and compatible with the motor's original internal layout. Confirm the shaft is fully seated in the bearing journal and that pinion engagement is correct before final assembly. After fitting, verify free rotation and minimal wobble at low-speed rotation before reinstalling the motor into the model.
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