When selecting a motorcycle oil for your bike, be sure you know what you're getting. Mobil 1 20W-50 4-Cycle Motorcycle Oil is a full-synthetic, high-performance engine motorcycle oil formulated specifically to meet the demanding needs of motorcycle engines. Mobil 1 V-Twin 20W-50 motorcycle oil is formulated to offer outstanding protection in 4-cycle, V-Twin type engines, particularly those that are air-cooled and tend to run hotter than other types of engines.Product Features: Maximum shear stability to resist viscosity shear down in high-performance engines and transmissions Exceptional thermal stability to resist oxidation and high-temperature degradation Outstanding protection against wear of engine and transmission components Enhanced lubrication to help maintain maximum power and acceleration over the life of the engine Optimized wet-clutch performance; meets JASO MA Excellent low temperature flow characteristics to help minimize engine wear during startup