48 Pitch Tuning Pinion 37T - Yokomo YOKPG4837  [YOKPG4837]

Yokomo PG-4837 - 48 Pitch 37 Teeth Super Hard Precision Pinion Gear
Price:
AUD$12.45
Brand:
Yokomo
Model:
YOKPG4837
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Tuning Ratios with a 37T 48 Pitch Pinion

The Yokomo YOKPG4837 pinion is a 37-tooth, 48 pitch gear finished for high precision, intended for use as a tuning or replacement pinion in hobby electric drivetrains. Changing to this pinion allows you to alter acceleration and top speed characteristics by modifying the motor-to-spur ratio.

Its material and finishing prioritise wear resistance under typical hobby stresses; pair it with 48 pitch spur gears and ensure you have the correct shaft or adapter for a secure fit. Proper mesh adjustment reduces noise and wear, helping to protect both pinion and spur during repeated sessions.

Performance notes: secure the motor shaft and set-screw engagement, use threadlocker on steel set-screws where applicable, and monitor ESC and motor temperatures after changing tooth counts to avoid overheating in high-gear setups.
Remark :
Due to limited stock availability, please notice that some Yokomo items may have to order from the factory and the ready time is around 4-6 weeks. Customer purchases the item is assumed to accept the waiting time which allows us to order directly from the manufacturer if the item is out of our warehouse.

How does changing the pinion tooth count affect speed and torque?

Increasing tooth count raises top speed potential and reduces torque; decreasing teeth increases acceleration but raises motor load. Always test changes incrementally and watch powertrain temperatures.

Should I check motor temperatures after swapping pinions?

Yes. After a pinion change, run short tests and monitor ESC and motor temps to ensure the new gearing does not cause overheating.

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