This steel pinion is an RC-scale replacement part supplied under Kyosho part number PNGS0820. It provides a direct swap option for the motor output gear on compatible Inferno MP Series MP11e models and is intended for routine maintenance and gear ratio adjustments.
Constructed from steel, the pinion helps resist wear compared with softer materials, keeping tooth profiles consistent under load. Use it to restore a worn motor gear, experiment with final drive ratios, or maintain consistent mesh with the spur gear when setting up a vehicle.
Installation notes: confirm tooth count and module match your existing setup before fitting, slide onto the motor shaft and secure per your model's original method, verify gear mesh and free spin of the drivetrain after installation to avoid premature wear.
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