Pinion Gear 40T 64 Pitch - Yokomo YOKPG6440  [YOKPG6440]

Yokomo PG-6440 - 64 Pitch 40 Teeth
Price:
AUD$18.03
Brand:
Yokomo
Model:
YOKPG6440
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Gear Specification: 64 Pitch, 40 Teeth

Listed as Yokomo YOKPG6440, this pinion gear is intended for use in 64 pitch gear trains and is specified by its 40 tooth count. It is a basic replacement part for electric R/C models that accept 64 pitch pinions.

Fit depends on motor shaft diameter and the spur gear pitch. Confirm both measurements before attempting to install. The product is provided as the gear itself and does not include mounting hardware.

Typical installation: access the motor shaft, slide the pinion into place, set mesh so the teeth engage smoothly without tight spots or excess backlash, then secure using your motor's retainer. Avoid using excessive force when fitting to a mismatched shaft and validate mesh under light load prior to regular running.

Tuning impact: swapping to a 40-tooth pinion adjusts the final drive ratio — a practical choice for nuanced tuning between acceleration and top speed. Check mesh and wear periodically to maintain drivetrain performance.
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.

Will a 40T pinion noticeably change my gearing?

Yes; altering tooth count modifies the drive ratio. A 40-tooth pinion at 64 pitch produces a specific change in acceleration versus top speed, so plan changes incrementally.

How often should I inspect the pinion for wear?

Inspect gear teeth after each running session or when you notice increased noise or slop; replace the pinion if teeth show rounding, chipping, or uneven wear.

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