Features Special formula makes starting engine after storage quick and easy. Protects cylinder walls, piston rings and other combustion chamber surfaces from rust and corrosion during storage. Excellent for inboard and outboard marine engines. Directions With engine running at medium idle, spray Fogging Oil into carburetor(s) until engine stalls. Next, remove spark plug(s) and spray about 28g of Fogging Oil into each plug hole. Turn engine over several times by hand cord or electric starter. Spray spark plug tip(s) and reinstall in engine (NOTE: Attach spark plug(s) to lead and ground before turning engine over to prevent possible damage to electrical system).