Classic 4T 20W50 Mineral Motorcycle Engine Oil is specifically formulated for classic four-stroke motorcycle engines and transmissions requiring a 20W50 viscosity. It is expertly designed to support older air-cooled engines and transmissions where applicable, ensuring smooth and effective performance.Here are the key features of this engine oil:Viscosity and Application: With a 20W50 viscosity tailored for classic motorcycle engines manufactured before 1980, this oil ensures optimal engine performance and reliability, adapting smoothly to a range of operating conditions.ZDDP Technology: Featuring Zinc Dialkyl Dithiophosphate (ZDDP), this oil enhances engine durability by protecting against wear, thus extending the lifespan of your motorcycle's engine significantly.Wet Clutch Compatibility: Compliant with JASO MA2 specifications, this oil maintains a high friction profile that promotes smooth and consistent clutch engagement, thus improving your overall riding experience.Modern Additive Technology: This oil merges modern additives with traditional viscometrics to provide a balanced approach to lubrication, meeting modern standards while supporting the performance needs of classic motorcycles.High Mileage Solution: Ideal for older or high-mileage motorcycles, the high viscosity of this oil effectively reduces oil loss and leakage, ensuring a more reliable and efficient engine operation.Classic 4T 20W50 is more than just oil; it's a vital component for maintaining the health and performance of your motorcycle's engine. By incorporating both traditional and modern lubrication technologies, it ensures that your classic bike runs reliably and efficiently. Adding this oil to your motorcycle care routine can significantly enhance your bike's performance and longevity, making it an excellent addition to your maintenance toolkit.Specifications: API SG / SF / SE / SD, JASO MA2 / JASO MA1 / JASO MA1 Litre Bottle