Yokomo RP-08515KA Racing Performer Ultra Diff Oil #15000 for Gear Diffs  [RP-08515KA]

Yokomo RP-08515KA Racing Performer Ultra diff oil #15000
Price:
AUD$18.32
Brand:
Yokomo
Model:
RP-08515KA
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Fitting and tuning with thick differential oil

The Yokomo RP-08515KA Racing Performer Ultra diff oil #15000 is a silicone oil intended for gear-type differentials in electric RC cars and comparable scale models, offering robust damping and lubrication for demanding drivetrain conditions.

Because high-power motors and large-capacity batteries increase drivetrain stress, this formulation helps keep a consistent oil layer inside the differential so handling remains stable and predictable during aggressive use.

Installation is straightforward: drain the existing oil, clean gears and bearings, and refill following the diff case maker's fill recommendations. When switching to #15000 expect a noticeably firmer lock; fine-tune shock and tyre choices plus driver inputs to suit the altered handling.
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 preparatory steps should I follow before filling?

Remove the diff, drain old fluid, clean with solvent if needed, inspect bearings and gears for wear, then ensure components are dry before applying the new oil.

How do I avoid air pockets when refilling?

While refilling, rotate the gears slowly and work the oil in so trapped air escapes; repeat until no bubbles appear, then reassemble and check for leaks.

Any precautions for seals and bearings?

Ensure seals are intact and bearings are dry and clean before filling; contaminated or damaged seals can allow oil loss or dirt ingress that degrades performance.

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