Yokomo S4-503D17A 16T Drive Gear Track Spec  [S4-503D17A]

Yokomo S4-503D17A 16T Drive Gear[Use w/S4-503R17] for YZ-4S
Price:
NZD$20.31
Brand:
Yokomo
Model:
S4-503D17A
GTIN:
0639342210343
Please kindly input your name and email address, we will inform you once we have the restocking.
Or you may find similar product under the
Spares / Hop-ups - Yokomo - YZ-4 category
Write a review

High Precision 16T Gear for YZ-4S Chassis

The Yokomo S4-503D17A 16T Drive Gear is built for dependable power transmission in YZ-4S cars. Designed to work with the S4-503R17 ring gear, it maintains steady torque delivery across diverse track surfaces.

Performance and Longevity

Engineered to strict tolerances, this 16T unit improves drivetrain life and reduces inconsistent engagement. Racers will notice steadier throttle response and fewer drivetrain-related surprises during competitive running.

Compatibility and Fitment Notes

Compatible with a range of Yokomo models including B-YZ4SF, B-YZ4SF2-1, MOR-010, and MOR-020. The gear installs without complex modification, making it a practical choice for field upgrades.
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.

Can I mix this drive gear with aftermarket ring gears?

This drive gear is optimised for the S4-503R17 ring gear. Mixing with aftermarket rings may work but check tooth count and mesh before running.

Is this suitable for off-road use?

Yes, the S4-503D17A is robust enough for off-road conditions found in club racing and bashing, provided you maintain proper mesh and check for debris build up.

Does installation require special tools?

Basic hobby tools are sufficient for fitting this drive gear. A small set of hex drivers and a feeler gauge for mesh adjustment are recommended.

How do I check correct gear mesh?

Set a slight amount of backlash so the gear teeth sit flush under load but avoid tight engagement that causes binding. Use a piece of paper or a feeler gauge to verify spacing.

Copyright © 2008-2025 rcjaz.co.nz All rights reserved