Yokomo YOKR12-6488S 64 Pitch 88T Spur Gear Replacement  [YOKR12-6488S]

Yokomo R12-6488S - 64 Pitch 88T Spur Gear
Price:
CAD$14.90
Brand:
Yokomo
Model:
YOKR12-6488S
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Precision 64 Pitch 88T Spur for R/C Drivetrains

This is an R/C scale 88-tooth spur gear using a 64 pitch tooth profile supplied under the Yokomo part code YOKR12-6488S. It is designed as a straightforward replacement or spare for general R/C gearbox setups that specify 64 pitch gears.

Functionally the spur transmits motor pinion rotation through the gearbox to the final drive. Matching the pitch and tooth count with the existing pinion is critical to keep a correct mesh and reduce premature wear on teeth and bearings.

Installation notes: confirm full tooth-face engagement between pinion and spur, set appropriate backlash, avoid axial preload on gear bearings, and perform a short break-in at moderate throttle to allow surface finishes to bed in before demanding use.
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 64 pitch affect gear selection?

64 pitch denotes the tooth spacing standard; the spur and pinion must share the same pitch to achieve correct contact. Using a mismatched pitch will cause poor mesh and accelerated tooth wear.

Will I need to modify the chassis to install this spur?

If the shaft diameter and mounting method match your original gear, installation is usually plug-and-play. Verify bore size and mounting screw pattern before fitting to avoid any interference.

What is the best way to set gear mesh after fitting?

Assemble the drivetrain and rotate the motor by hand while watching tooth contact. Adjust motor or gearbox position until a consistent contact pattern is visible, then confirm a small, even backlash across the tooth face.

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