Mobil 1 Racing 4T 10W-40

MobilMobil 1 linemotorcycles10W-40

Synthetic 10W-40 for four-stroke motorcycles, rated JASO MA and MA2 and compatible with wet clutches.

Classification
Product line Mobil 1 21 oils
SAE viscosity 10W-40What SAE means
Base oil synthetic
Intended use motorcycles
API class What API means
JASO class
Typical properties
Viscosity at 40 °C 85.9 mm²/s
Viscosity at 100 °C 13.4 mm²/s
Viscosity index 159
Pour point -48 °C
Flash point 212 °C
Density 850 kg/m³

Description

Mobil 1 Racing 4T 10W-40 is a synthetic oil for the four-stroke engines of high-performance motorcycles, including air-cooled ones. It is intended both for everyday riding in any season and for the race track.

The oil is rated JASO MA and MA2, so it suits motorcycles with a wet clutch, and API SN, SM, SL and SJ. The data sheet lists no motorcycle-maker approvals.

Typical figures: 13.4 mm²/s at 100 °C, 85.9 mm²/s at 40 °C, viscosity index 159, pour point -48 °C, flash point 212 °C.

Application

High-performance four-stroke motorcycles, including air-cooled ones, for year-round road use and track days.

Worth knowing

The data sheet lists JASO MA and MA2 side by side, so the oil suits both a motorcycle whose manual calls for MA and one that specifies MA2, the sub-grade with stricter wet-clutch friction requirements. ExxonMobil gives the API classes different standing: SJ, SL, SM and SN appear under “meets or exceeds”, while SH is listed only under “recommended for applications requiring”.

The neighbouring Mobil 1 Racing 4T 15W-50 also has JASO MA and MA2 on the same data sheet; the two oils differ in viscosity and temperature figures: 13.4 against 17.8 mm²/s at 100 °C, pour point -48 °C against -45 °C, flash point 212 °C against 248 °C. Mobil 1 Racing 2T, with JASO FC, FD and API TC, is made for two-stroke engines and is no substitute for a four-stroke oil. The article on engine oil quality classifications shows how JASO relates to API, ACEA and ILSAC.

Data current as of Check the label and the current product data sheet before you buy.

Sources

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