20W50 RS

CASTROL 20W-50 is a mineral high-performance engine oil which has been specially developed for use in 4-stroke motorcycles with wet running in oil bath. 

The 20W-50 is suitable for all 4-stroke motorcycles with common oil circuit of the engine, clutch and gearbox. It is particularly suitable for air-cooled motorcycle engines due to the adjusted viscosity situation and the high thermal stability and also meets the strict JASO MA2 of Reibwertanforderungen and ensures the best clutch performance. 


- High wear and corrosion protection of the engine and gearbox 
- Stable lubricating film even at very hot oil and very high loads 
- Extremely stable to shear - "Stay-in-grade" 
- Best clutch performance due to the more stringent requirements of JASO MA2 
- High oxidation protection 
- Miscible and compatible with conventional and synthetic motorcycle oils brand. 


To all product advantages to exploit, a complete oil change is recommended. 


Specifications and approvals: 
API SL, JASO MA2