MC Gear Oil is a premium mineral high performance, SAE 10W-40 API GL-4 gear oil, specially formulated for separate gearboxes used in two stroke and four stroke motorcycles including ATV's. Can be used where the following SAE viscosities are recommended: SAE 10W-30 SAE 10W-40 SAE 15W-40 SAE 80 80W-85 Application: MC Gear Oil is a premium mineral high performance, SAE 10W-40 API GL-4 gear oil, specially formulated for separate gearboxes used in two stroke and four stroke motorcycles including ATV's. MC Gear Oil is recommended for use in motorcycle gearboxes that require SAE 10W-30, 10W-40 or 15W-40 engine oils. It is also suitable for use where an API GL-4, SAE 80W or 80W-85 gear oil is required. It is especially suitable in gearboxes that have oil immersed clutches.Motorcycle Gear Oil is also suitable for use in passenger cars, 4WDs, light & heavy commercial vehicle gearboxes and transfer cases where a SAE 80W or 80W-85, API GL-4 gear oil is recommended. Benefits: SMOOTH & precise gear shifts COMPETITION PROVEN and trusted for performance machines OPTIMUM clutch slip prevention in 4 stroke motorcycles with wet clutches Purpose designed additives improve the shift feel for the life of the drain Highly shear stable formulation, providing ultimate performance Enhanced oxidation stability, reducing harmful deposits Excellent wear protection Formulated to meet manufacturers requirements for transmission oils Typical Data: Density at 15°C, kg/L : 0.873 Viscosity, Kinematic, cSt at 40°C : 78 Viscosity, Kinematic, cSt at 100°C : 14.1 Viscosity Index : 188 Cold Cranking Viscosity, cP at -25°C : 6167 Ca content, Mass % : 0.313 Zinc, Mass % : 0.123 Sulphated Ash, Mass % : 1.22 Total Base Number (TBN) : 9.4