Servo Horn for MR-4TCSD Touring Cars - Yokomo YOKSD204  [YOKSD204]

Yokomo SD-204 - Servo Horn Set For MR-4TCSD
Price:
£4.44
Brand:
Yokomo
Model:
YOKSD204
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MR-4TCSD Steering Horn Details

This Yokomo YOKSD204 servo horn set is an RC-scale replacement part intended for MR-4TCSD chassis use, providing the connection between the servo spline and steering linkage. The copy emphasises fitment, installation technique, and the influence on steering characteristics rather than factory claims.

Fit compatibility: the part targets MR-4TCSD-designated builds; confirm the spline count and mounting pattern on your servo before fitting. It is intended for direct-swap use where MR-4TCSD compatibility is listed and matches standard 1/10 touring car steering geometry.

Fitting guidance: remove the old horn and its fastener, set your servo to neutral, seat the new horn onto the spline so the wheels point straight, then secure with the appropriate screw or clip. Once fitted, set trims and travel endpoints on your transmitter to prevent binding.

Setup influence: the horn alters mechanical leverage between servo and linkage, so variations in arm length or position change steering sensitivity and torque demand. Make modest adjustments, then confirm endpoint settings and steering geometry after each change.

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.

Does this replace the stock horn on MR-4TCSD without modification?

In many MR-4TCSD builds it fits as a direct replacement, but you must confirm spline count and hole spacing on your specific car before assuming a no-mod fit.

Are there any quick checks after fitting?

After installation, cycle full steering travel and check for binding, then drive slowly to confirm endpoint and trim settings remain secure under load.

Should I change endpoint settings after swapping horns?

Yes. Because mechanical leverage can change, re-adjust transmitter travel limits and endpoint trims to ensure correct geometry and to avoid overloading the servo.

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