This is a single 14-tooth motor pinion made of aluminium alloy for use with the Kyosho Mini Inferno. The gear functions as a direct replacement for worn pinions and as a practical option when changing gear ratios to suit different motors and spurs.
Role in tuning: fitting this 14T pinion changes the final drive, affecting RPM and torque delivery in a predictable manner. It is commonly used when adjusting setup for either tighter acceleration or higher top speed, depending on spur selection.
Fitting notes: slide the pinion onto the motor shaft with correct axial position and set the mesh to the spur gear to avoid premature wear. After installation, rotate the drivetrain slowly to confirm free movement and ensure there is no interference with gearbox parts. This product is intended for model-scale applications only.
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