Yokomo S4-303DCBA Bearing-Side Slipper Drive Cup  [S4-303DCBA]

Yokomo S4-303DCBA Slipper Drive Cup (Bearing Side) for YZ-4S
Price:
CAD$13.50
Brand:
Yokomo
Model:
S4-303DCBA
GTIN:
0639342210152
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Spares / Hop-ups - Yokomo - YZ-4 category
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Upgrade the YZ-4S Drivetrain with the S4-303DCBA

The Yokomo S4-303DCBA Slipper Drive Cup is built for YZ-4S models and concentrates on the bearing side to boost drivetrain reliability. It helps maintain smooth power delivery and consistent performance during fast runs and regular track use. Suitable for racers and tuners looking for a durable replacement or spare part.

Fitment and Compatible Chassis

Made for precise fitment, the Yokomo S4-303DCBA pairs with several chassis, including the B-YZ4SF, B-YZ4SF2-1, MOR-010, and MOR-020. Its accurate machining supports long-term reliability and reduces drivetrain slop when installed correctly.
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 difficult is it to replace the slipper drive cup?

Replacement is straightforward for anyone with basic RC maintenance experience and standard tools. Remove the old cup on the bearing side, confirm bearing condition, slide in the new S4-303DCBA, and reassemble with the original hardware.

Do I need special bearings to use this part?

The drive cup mounts on the bearing side and uses the same bearing arrangement as the stock cup. Inspect existing bearings for wear and replace them if they show play before fitting the new cup.

Will this change slipper adjustment or feel?

When fitted correctly the S4-303DCBA preserves slipper function. After installation, recheck slipper preload and settings on the YZ-4S to ensure consistent engagement and power delivery.

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