20W-50 API SN Synthetic Motorcycle Engine Oil – Product Description 20W-50 Synthetic Motorcycle Engine Oil (API SN) is a premium-grade, fully synthetic lubricant engineered for high-performance 4-stroke motorcycles operating under demanding conditions. With a 20W cold rating and a 50 high-temperature viscosity, this oil delivers excellent thermal stability, strong film strength, and reliable protection in both hot and cold environments. Formulated with advanced synthetic base oils and a high-performance additive package, this oil meets API SN standards and is specially designed for motorcycles with wet clutches, integrated gearboxes, and high-revving engines. It ensures smooth engine operation, reduces wear, and supports longer engine life, even during extreme riding conditions 2000km to 3000km.