This RC aluminium motor gear is an 11-tooth pinion supplied as a single-piece unit, suitable for Kyosho Motor Cycle style hobby models. It is sized to replace an existing 11T pinion where that tooth count is required to achieve the desired drivetrain ratio.
Fitting the 11T pinion alters the motor to spur ratio, changing acceleration and top speed characteristics. Remove the motor as required by your Kyosho model, swap the existing pinion for this aluminium unit, set correct gear mesh and axial alignment, and secure the fastener on your motor shaft. After installation perform a slow power-up to confirm smooth engagement with no unusual noise.
The aluminium construction gives improved wear resistance over many stock plastics, helping keep a stable mesh during repeated runs. This is an aftermarket accessory intended for tuning and maintenance of Kyosho motorcycle RC models.
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