Super Tech Full Synthetic SAE 20W-50 V-Twin Motorcycle Oil. Motorcycles demand performance from their oil which must protect the engine, clutch, transmission and primay chain case. V-Twin powered motorcycles are often subjected to short drives, long periods of storage, and often run in hot and humid conditions. Super Tech Rull Synthetic V-Twin Motorcycle Oil is specifically desinged for air and liquid cooled V-Twin engines. Super Tech Full Synthetic Motorcycle Oil meets the specifications of JASO MA2, API SL, and ISO-L-EMA2.