Engine oil technical data · Motorex
Motorex Formula 4T 20W-50
Motorex Formula 4T 20W-50 is a 20W-50 engine oil (JASO MA2 · API SL, SJ, SH, SG). According to the manufacturer's data sheet it has a viscosity of 154.8 mm²/s at 40 °C, 17.9 mm²/s at 100 °C, a viscosity index of 128, a TBN of 5.6 mg KOH/g, a pour point of −30 °C and sulphated ash of 0.8 %.
Data sheet ↗ Data verified: 8 Nov 2026
Parameters from the data sheet
| Parameter | Value | Class median 20W-50 i |
|---|---|---|
| Viscosity 40 °C | 154.8 mm²/s | 155.85 mm²/s |
| Viscosity 100 °C | 17.9 mm²/s | 18.55 mm²/s |
| Viscosity index | 128 | 128.5 |
| TBN | 5.6 mg KOH/g | 7.5 mg KOH/g |
| CCS −15 °C | 5037 mPa·s | 5505 mPa·s |
| Pour point | −30 °C | −30 °C |
| Flash point | 200 °CThe manufacturer gives only a limit, "at least 200", not a measured value. | 238 °C |
| Density | 0.867 g/cm³ | 0.882 g/cm³ |
| HTHS 150 °C | 3.5 mPa·sThe manufacturer gives only a limit, "at least 3,5", not a measured value. | |
| Sulphated ash | 0.8 % |
All 20W-50 oils → See the class table for a detailed comparison with other oils.
Specifications and approvals
Similar oils
Oils in the 20W-50 class with the closest parameters and the same specification.
- Motul 7100 4T 20W-50JASO MA2 · API SN, SM, SL, SJ, SH, SG
- Motul 5100 4T 20W-50JASO MA2 · API SM, SL, SJ, SH, SG
- Silkolene Comp 4 XP 20W-50JASO MA2 · API SN
- Repsol Moto Rider 4T 20W-50JASO MA, MA2 · API SL
- Motul 3000 4T 20W-50JASO MA2 · API SL, SJ, SH, SG