CAM2 Blue Blood 2-Cycle Synthetic Engine Oil with Ethanol Treatment & Fuel Stabilizer provides superior engine protection by bonding 2-cycle oil to fuel and preventing the ethanol/water separation that can cause rust and corrosion. It is formulated for 2-cycle, air-cooled engines and is suitable for use where ISO E-GD & JASO-FD is required. Always consult your owners manual.