Yokomo S4-01077BA 77mm Front Dog Bone - YZ-4S Replacement  [S4-01077BA]

Yokomo S4-01077BA Front 77mm bone for YZ-4S
Price:
CAD$12.43
Brand:
Yokomo
Model:
S4-01077BA
GTIN:
0639342209828
Condition:
Brand New
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Service and Reliability Upgrade for the YZ-4S

For club racers and dedicated hobbyists who demand steady driveline behavior, the Yokomo S4-01077BA 77mm front universal dog bone is a dependable replacement for the YZ-4S. Built to match the chassis geometry, it helps maintain smooth power delivery and resists wear during frequent track sessions and routine maintenance.

Important Features of the Yokomo S4-01077BA

  • Precision Fit: Machined to align with YZ-4S mounting points for accurate installation.
  • Durable Design: Constructed to withstand regular use and club racing conditions.
  • Optimal Length: 77mm gives the correct reach for front driveline alignment.
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.

Will this dog bone work in other Yokomo cars?

It is made for the YZ-4S family and fits referenced chassis like B-YZ4SF, B-YZ4SF2-1, MOR-010 and MOR-020. Check your chassis spec before fitting.

How does the 77mm length affect handling?

The 77mm dimension ensures correct driveline geometry for the YZ-4S front end, helping avoid binding and keeping steering response consistent.

Any tips for installation and upkeep?

Inspect drive pins and cups when replacing the dog bone, apply appropriate grease to reduce wear, and torque fittings to manufacturer specs for best results.

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