Yokomo S4-302FA Front Gearbox for YZ-4S Race Chassis  [S4-302FA]

Yokomo S4-302FA Front Gear box for YZ-4S
Price:
CAD$18.18
Brand:
Yokomo
Model:
S4-302FA
GTIN:
0639342210114
Condition:
Brand New
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Precision Front Gearbox for YZ-4S

The Yokomo S4-302FA front gearbox is a direct replacement part designed to bring reliable, accurate fitment to your YZ-4S model. It fits a range of compatible chassis including B-YZ4SF, B-YZ4SF2-1, MOR-010, and MOR-020, making it a practical choice for racers and club drivers alike.

Built to Last Under Race Conditions

Manufactured from high quality components, the S4-302FA gearbox resists wear and maintains alignment during hard use. Its construction focuses on durability while preserving smooth gear engagement for consistent drivetrain performance.

Ideal for Track Tuning and Upkeep

Whether you are prepping for a race day or carrying out scheduled maintenance, the Yokomo S4-302FA front gearbox offers the dependable fit and precision needed to keep your YZ-4S running predictably on the circuit.
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.

Which chassis are confirmed to accept this front gearbox?

The S4-302FA is compatible with B-YZ4SF, B-YZ4SF2-1, MOR-010, and MOR-020 chassis types as listed by the manufacturer.

Will this gearbox affect handling or drivetrain smoothness?

A precise gearbox like the S4-302FA helps keep gear mesh consistent and reduces play, which supports smoother power delivery and predictable handling under load.

Any tips for installing the front gearbox correctly?

Check gear alignment, use the correct mounting screws, and inspect bearings and seals during installation to ensure quiet operation and long service life.

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