Premium2 semi-synthetic, ester-based 2-stroke engine oil designed to ensure optimum protection and peak performance at any temperature for motorcycles, ATVs, outboards, PWCs and snowmobiles. Ultra clean burning, smokeless formulation utilizes surface-active esters and anti-wear additives to ensure optimal anti-scuff protection. Advanced, ash-free additive system keeps your engine running clean and free of gum formation, corrosion and deposits.