PSF is a 100% synthetic oil designed to perform over a wide range of two stroke applications. Offers smokeless technology, improved power efficiency, anti-wear, anti-corrosion, and ultra-clean performance. PSF is formulated to eliminate spark plug fouling, pre-ignition, ring sticking, and combustion chamber deposits. PSF is a popular choice in moped, scooter, ATV, power equipment, and motorcycle applications throughout the world. Exceeds JASO-FC and ISO-L-EGD specifications.