77 Lubricants Motorcycle Oil 4T 10W-40

77 Lubricants77 Lubricants Motorcycle Oil 4T linemotorcycles10W-40

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

Classification
Product line 77 Lubricants Motorcycle Oil 4T 3 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 87.8 mm²/s
Viscosity at 100 °C 13.8 mm²/s
Viscosity index 161
Pour point -36 °C
Flash point >201 °C
Base number (TBN) 9.4 mg KOH/g
Sulphated ash 1.1 %
Density 855 kg/m³

Description

77 Lubricants Motorcycle Oil 4T 10W-40 is a synthetic engine oil for modern air- or liquid-cooled four-stroke motorcycles. A single oil lubricates the engine, gearbox and wet clutch.

The oil is rated JASO MA2 and API SN; the data sheet lists no motorcycle manufacturer approvals.

Typical figures: kinematic viscosity 13.8 mm²/s at 100 °C, viscosity index 161, pour point -36 °C, base number 9.4 mg KOH/g, sulphated ash 1.1 %.

Application

Modern air- or liquid-cooled four-stroke motorcycles; the oil lubricates the engine, gearbox and wet clutch.

Worth knowing

The catalogue lists another motorcycle 10W-40 from the same brand, Motorcycle Oil SYN 4T 10W-40, and on codes there is nothing between them: both have API SN and JASO MA2. The extra JASO MA entry in the SYN 4T list adds no new requirement, since MA2 is the upper part of the MA range, as the article on the JASO MA, MA2 and MB classes for motorcycles explains in more detail. The two oils differ in their typical figures: SYN 4T has a viscosity at 100 °C of 14.6 mm²/s against 13.8, its pour point is -39 °C instead of -36 °C, and its base number is lower, 8.4 mg KOH/g against 9.4.

Another figure from the data sheet concerns cold starting: the CCS cranking viscosity is 4500 mPa·s at -25 °C. That is roughly a third less than the 7000 mPa·s that SAE J300 allows for a 10W winter grade at that temperature.

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

Sources

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