Klotz lubricant is for use with 2-stroke and 4-stroke engines with methanol alcohol and gasoline fuels. Biodegradable formula. Superior film strength and Anti-Scuff protection. Cleaner burning reduces carbon and residue build-up. De-gummed formula reduces ring sticking. Klotz Red color for easy mixing and castor racy odor. Blends with gasoline, methyl alcohol, and nitromethane. Contains rust inhibitors. See-through side with graduated measurements in standard and metric.