B-YZ4SF Center Mount Plate Upgrade for YZ-4S - S4-304CPA by Yokomo  [S4-304CPA]

Yokomo S4-304CPA Graphite Center Mount Piate for YZ-4S
Price:
AUD$12.94
Brand:
Yokomo
Model:
S4-304CPA
GTIN:
0639342188390
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Center plate features and fit

This graphite center mount plate is engineered for the YZ-4S RC chassis and aligns with the B-YZ4SF chassis layout. It replaces the stock center mount to change center-section stiffness and tweak weight distribution for improved track response. The design expects installation using the vehicle's existing mounting points.

Installation should emphasise correct hole alignment and controlled torque rather than altering mounts. Confirm screw hole correspondence with the YZ-4S pattern and tighten fasteners to recommended engagement without over-tightening to prevent damaging the graphite. Verify clearance for drivetrain items after fitting and check the chassis on a flat bench for consistent handling.

Tuning note: replacing a softer center plate with graphite commonly increases center stiffness, which can produce crisper turn-in and reduce mid-corner roll on track-focused setups. Proceed with small changes and test runs, and pair the plate with targeted suspension or damping tweaks to refine balance.

Compatibility

  • YZ-4S
  • B-YZ4SF chassis
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 the graphite plate change corner entry and mid-corner balance?

The stiffer central section tends to sharpen turn-in and reduce body roll through mid-corner, giving a more responsive front-end but potentially a firmer overall feel.

Is it advisable to combine this with other chassis stiffening parts?

Yes, but adopt a measured approach. Combine with mild suspension or damper changes and test incrementally to avoid over-stiffening the chassis.

What checks should I do before the first test run?

Confirm fastener torque, drivetrain clearance, and chassis flatness on a bench. Also double check that no screws contact moving parts before running.

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