HIGHTEC POWER BOAT 2-T has been developed specifically to meet the requirements of the TC –W3(Two-Cycle Water–cooled) specification from NMMA(National Marine Manufacturers Association). Not only does it provide outstanding protection against corrosion and wear, but it also ensures excellent cleanliness of all critical engine parts.In a ddition, its additive composition with a low ash content ensures safe operation. The quality of this product is equivalent to EU regulations. Warning: These oils are unsuitable for use in some engines. Consult owner’s manual or handbook if in doubt.