Yokomo SG-6490 90T 64-Pitch Spur Gear Upgrade  [SG-6490]

Yokomo SG-6490 Precision 64 Pitch Spur Gear 90T
Price:
AUD$4.68
Brand:
Yokomo
Model:
SG-6490
GTIN:
11
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90-Tooth 64 Pitch Spur for RC Drivetrains

This spur is an RC replacement component cut to 64 pitch with 90 teeth, built to support general drivetrain use. Improved machining tolerances limit backlash and enhance the mating action between the spur and its pinion, which helps keep the drive smooth under common electric model loads.

Install with a 64 pitch pinion to maintain the correct tooth profile engagement. Setup should prioritise accurate mesh and bearing alignment rather than material swaps, since the gear is intended to deliver stable tooth geometry for consistent tuning and power transfer within the chassis or gearbox assembly.
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.

Do I need a 64 pitch pinion for this spur?

Yes. A 64 pitch pinion is required so the tooth shapes mesh correctly with this spur.

Does gear choice affect wear life?

Proper mesh and alignment are the main factors in longevity; a correctly set 64 pitch mesh will reduce uneven wear regardless of gear material.

Best way to verify mesh under load?

After setting a small clearance, run the drivetrain slowly under light throttle to check for smooth engagement and listen for noise that indicates misalignment.

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