#15000 Silicone Differential Oil for RC Gear Diffs - Yokomo RP-08515KA  [RP-08515KA]

Yokomo RP-08515KA Racing Performer Ultra diff oil #15000
Price:
NZD$22.34
Brand:
Yokomo
Model:
RP-08515KA
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Stable diff damping for sustained runs

The Yokomo RP-08515KA Racing Performer Ultra diff oil #15000 is a silicone formulation aimed at gear differentials in electric RC models, supplying consistent lubrication and damping when the drivetrain is pushed harder than stock scenarios.

Higher-output brushless motors and performance battery packs increase internal forces; this oil's viscosity keeps the fluid film intact, helping to prevent premature migration and ensuring the diff responds uniformly throughout a run.

Basic servicing remains: remove old fluid, degrease and inspect the internals, then refill according to the diff case guidance. Using #15000 will bias the car toward a more locked diff characteristic, so expect to retune springs, tyres and driving technique to keep lap times optimal.
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.

Is this oil compatible with sealed diff housings?

Yes, it is suitable for gear diffs housed in sealed or open cases provided the case is designed to use silicone diff fluids; always confirm the case manufacturer's recommendations.

How should I adjust setup after fitting #15000?

After installing this heavy oil, consider softer inside springs or different tyre compounds to rebalance turn-in and mid-corner bite, since the diff will increase wheel coupling and reduce free differential action.

Does ambient temperature change its behaviour?

Temperature influences silicone oils; colder conditions thicken the oil slightly while heat thins it, so track conditions can alter effective locking and may require minor setup tweaks.

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