Geo Premium 10W30 GEO Premium SAE 10W30 is a Synthetic Blend, high quality 4T oil designed for high power 4-stroke motorcycles, scooters and 3-wheeler engines, clutches, gear boxes and portable power equipment requiring API SN or lower and JASO MA2 lubricants. â?¢ Reduces oil consumption and maximizes oil drain intervals â?¢ Smooth quick start in low-temperature and rapid acceleration â?¢ High wear and corrosion protection of the engine and gear box â?¢ Provides smooth clutch performance