This is the 2 fl oz bottle of Great Planes After Run Engine Oil. **IMPORTANT-the instructions on the bottle say to pour oil into** **carburetor, this is incorrect. NEVER pour after run oil** **into carburetor as this will cause O-rings to deteriorate.** **Pour into exhaust port or glow plug hole only.** FEATURES: Helps keep 2 and 4 stroke glow engines running in top condition Protects bearings and internal parts from corrosion Helps prevent gum and varnish build-up New clear formula won't stain clothes, tools, or field box Convenient 2fl oz (59 ml) bottle Pour into exhaust port or glow plug hole after each running INCLUDES: One 2 fl oz (59ml) bottle of After Run Engine Oil COMMENTS: Pour enough oil into exhaust port or glow plug hole to thoroughly coat all internal components except those in carburetor.