Silicone Shock Oil 850wt for RC Dampers - Yokomo YS-850  [YOKYS850]

Yokomo YS-850 - Super Blend Shock Oil #850
Price:
CAD$8.71
Brand:
Yokomo
Model:
YOKYS850
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850wt Silicone Damping Fluid

The Yokomo YS-850 Super Blend Shock Oil #850 is a silicone damping fluid designed for RC shock absorbers. It delivers a steady 850wt viscosity to keep damping predictable across typical operating temperatures found in electric and nitro models.

Switching oil weight changes how fast a damper compresses and rebounds, so using a heavier or lighter YS-850 will influence body roll, traction transitions, and the overall balance of the chassis. Use it while fine-tuning rebound and compression during track or on-road setup runs.

When servicing shocks, make sure the damper chamber is clean and bleed any trapped air before final assembly to ensure consistent performance. Inspect seals and piston condition for silicone compatibility and run short test laps after any oil change to confirm the desired response.
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.

What does the 850 weight indicate?

It denotes the oil's nominal viscosity class; higher numbers flow more slowly and produce firmer damping with slower shock movement.

How do I remove air after filling a shock?

Cycle the damper through full travel, tap and compress to let trapped bubbles rise, and repeat filling or bleeding until resistance feels smooth without sponginess.

Is this oil compatible with all shock types?

It is intended for standard silicone-compatible shock assemblies; check seals and piston materials before use and change oil weight incrementally while testing setup changes.

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