This aluminium 11T motor gear is supplied as a single replacement pinion for Kyosho Motor Cycle type hobby motorcycles. It is intended to match applications where an eleven-tooth pinion is required to obtain the correct drivetrain ratio.
Switching to this 11T changes the motor to spur gear ratio, affecting acceleration and maximum speed. Follow your model's procedure to remove the motor, replace the existing pinion with this aluminium unit, check mesh and axial alignment carefully, and secure the fastener on the motor shaft. Run at low throttle after installation to confirm proper engagement and absence of odd noises.
The aluminium build gives improved wear resistance compared with many stock plastic pinions, helping keep a consistent mesh through repeated sessions. This is an aftermarket tuning and maintenance component for Kyosho motorcycle RC models.
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