Silkolene CASTORENE R40S SAE 40 Castor-Based Racing Oil
Silkolene CASTORENE R40S is a castor-based, synthetically enhanced specialist racing lubricant. It is aimed at compatible racing engines, particularly speedway applications and methanol-containing fuels.
Key Features
- Castor-based specialist racing formulation
- SAE 40 product for the specified racing application
- Manufacturer specifically discusses speedway and methanol-fueled engines
Product Details
- Brand: Silkolene / FUCHS
- Specification: Specialist castor-based racing oil; SAE 40
- Available sizes: 1 Liter
Application & Selection
Confirm the engine builder’s requirements and service interval. Do not mix with mineral oils. It is not a general substitute for modern street-bike engine oil.
Package selection: The size selector describes one retail container. Supplier case quantities are not the contents of one retail item. Check current availability for your selected size.
Technical Documents
Manufacturer technical data sheet (PDF)
Product FAQ
Can I top up a mineral-oil fill with R40S?
No. FUCHS instructs users not to mix this castor-based racing oil with mineral oils.
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