- 4T motorcycles
SAE 10W-40
Synthetic four-stroke motorcycle oil for wet-clutch engines, API SN, JASO MA2
ViscositySAE
Recommended for
Same grade SAE 10W-40 · Heavy-duty diesel
Same grade SAE 10W-40 · Cars
Same grade SAE 10W-40 · Tractors (STOU)
Business customers only. We sell wholesale, invoiced to registered companies.
Petrol engine oil, API SH performance level
Older API category for spark-ignition engines, of the early 1990s.
Petrol engine oil, API SJ performance level
API's service category for spark-ignition engines. Current category.
Petrol engine oil, API SL performance level
API's service category for spark-ignition engines. Current category.
Petrol engine oil, API SM performance level
API's service category for spark-ignition engines. Current category.
| Property | Typical value | Method |
|---|---|---|
| Density @ 15 Cg/ml | 0.85 | ASTM D1298 |
| Flash point, Cleveland Open Cup°C | 212 | ASTM D92 |
| Kinematic viscosity @ 100 Cmm2/s | 13.4 | ASTM D445 |
| Kinematic viscosity @ 40 Cmm2/s | 85.9 | ASTM D445 |
| Pour point°C | -48 | ASTM D97 |
| Viscosity index | 159 | ASTM D2270 |

Mobil 1 Racing 4T 10W-40 is the SAE 10W-40 grade of ExxonMobil's Mobil 1 Racing 4T four-stroke motorcycle engine oil range, formulated for lubrication of four-stroke motorcycle engines. It is recommended for applications requiring API SH, and meets or exceeds API SJ, SL, SM and SN, as well as JASO MA and MA2 — the industry standards for four-stroke motorcycle oils with friction properties suited to wet clutch systems. Typical properties include a density of 0.85 g/ml at 15°C, a flash point of 212°C, kinematic viscosity of 85.9 mm²/s at 40°C and 13.4 mm²/s at 100°C, a pour point of -48°C, and a viscosity index of 159.
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