Yokomo S4-303DCBA Slipper Cup for YZ-4S Chassis  [S4-303DCBA]

Yokomo S4-303DCBA Slipper Drive Cup (Bearing Side) for YZ-4S
Price:
NZD$16.86
Brand:
Yokomo
Model:
S4-303DCBA
GTIN:
0639342210152
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Or you may find similar product under the
Spares / Hop-ups - Yokomo - YZ-4 category
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Precision Slipper Cup for YZ-4S Drivetrains

The Yokomo S4-303DCBA Slipper Drive Cup is engineered for the YZ-4S lineup and targets the bearing side to improve drivetrain stability. It supports even power transfer and helps reduce unpredictable drivetrain behavior under load. A practical choice for routine maintenance or part upgrades.

Models That Pair with This Cup

This component is compatible with multiple chassis variants, including B-YZ4SF, B-YZ4SF2-1, MOR-010, and MOR-020. Precision tolerances ensure the S4-303DCBA seats correctly and contributes to dependable performance.
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 this cup be used on other Yokomo models?

It is designed for YZ-4S variants, but it may fit other models that share the same bearing-side dimensions. Always verify fitment against the chassis before committing to an install.

How should I inspect the drive cup during service?

Check for wear on mating surfaces, ensure the bearing seats snugly, and look for signs of deformation. Replace worn bearings and clean mating parts before fitting the S4-303DCBA.

Is this a good upgrade for club racing?

Yes. For racers who want reliable drivetrain behaviour without changing major components, this slipper drive cup offers a straightforward upgrade that supports consistent lap times.

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