Mystik, Gallon, Jt4, 2 Cycle, Premium, Outboard Motor Oil, Unique Balance Of Synthetics, Base Oils & Additives, Provides Unmatched Performance, Protection, & Cleanliness For All Gasoline Powered 2 Cycle Engines, Powerful Detergents Remove Existing Carbon Deposits On: Piston Skirt, Crowns & Under Crowns, Power Valves, Cylinder Intake, Exhaust & Heads, & Wrist Pins, Bottle.