Royal Purple 06311 2 Cycle HP2C Oil Case, 6 Quart, 1 Pack Recommended for use in both pre-mixed and oil-injected gasoline 2-cycle engines in outboard motors, motorcycles, jet skis, chainsaws, and other 2-stroke power equipment High performance synthetic engine oil that improves 2-cycle performance and reduces wear in both standard and high performance 2-cycle gasoline engines Engineered with Royal Purple Advanced technology, HP 2-C is completely quarts ash less to minimize deposits in the combustion chamber and exhaust system Synthetic solvency that keeps spark plugs and exhaust ports clean for maximum 2-stroke engine efficiency Engine cleanliness combined with HP 2-c's low coefficient of friction promotes increased horsepower and engine speed