SAE 20W-50
20W-50 is the thickest grade ASAS supplies and the most widely used across the range — it appears in petrol, diesel, two-stroke motorcycle and outboard products. The 50 high-temperature rating suits higher-mileage engines with wider clearances and engines running in sustained heat.
- Cold-start rating
- 20
- High-temperature rating
- 50
Typical use
Higher-mileage petrol and diesel engines, two-stroke motorcycles and outboard engines specified for 20W-50.



